Home / 19,001.19-26,221.46-10,617.69

Finding the Fourth Proportional to 19,001.19, 26,221.46 and 10,617.69

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Solution

The fourth proportional to 19,001.19, 26,221.46 and 10,617.69 is: 14,652.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.19 : 26,221.46 = 10,617.69 : x
  2. Step 2: Convert to fraction form
    19,001.19/26,221.46 = 10,617.69/x
  3. Step 3: Cross multiply
    19,001.19x = 26,221.46 × 10,617.69
  4. Step 4: Simplify right side
    19,001.19x = 278,411,280.54
  5. Step 5: Solve for x
    x = 278,411,280.54/19,001.19
  6. Step 6: Final answer
    x = 14,652.31

Related Problems

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Half scale
Find fourth proportional to 38,002.38, 52,442.91 and 21,235.38
Double scale
Find fourth proportional to 19,002.19, 26,222.83 and 10,618.69
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.