Home / 19,173.90-26,462.48-11,000.71

Finding the Fourth Proportional to 19,173.90, 26,462.48 and 11,000.71

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Solution

The fourth proportional to 19,173.90, 26,462.48 and 11,000.71 is: 15,182.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,173.90 : 26,462.48 = 11,000.71 : x
  2. Step 2: Convert to fraction form
    19,173.90/26,462.48 = 11,000.71/x
  3. Step 3: Cross multiply
    19,173.90x = 26,462.48 × 11,000.71
  4. Step 4: Simplify right side
    19,173.90x = 291,106,068.36
  5. Step 5: Solve for x
    x = 291,106,068.36/19,173.90
  6. Step 6: Final answer
    x = 15,182.41

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Half scale
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Double scale
Find fourth proportional to 19,174.90, 26,463.86 and 11,001.71
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.