Home / 19,291.69-26,631.20-11,334.42

Finding the Fourth Proportional to 19,291.69, 26,631.20 and 11,334.42

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Solution

The fourth proportional to 19,291.69, 26,631.20 and 11,334.42 is: 15,646.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,291.69 : 26,631.20 = 11,334.42 : x
  2. Step 2: Convert to fraction form
    19,291.69/26,631.20 = 11,334.42/x
  3. Step 3: Cross multiply
    19,291.69x = 26,631.20 × 11,334.42
  4. Step 4: Simplify right side
    19,291.69x = 301,849,205.90
  5. Step 5: Solve for x
    x = 301,849,205.90/19,291.69
  6. Step 6: Final answer
    x = 15,646.59

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Double scale
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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.