Home / 39,747.90-59,618.18-13,449.62

Finding the Fourth Proportional to 39,747.90, 59,618.18 and 13,449.62

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Solution

The fourth proportional to 39,747.90, 59,618.18 and 13,449.62 is: 20,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,747.90 : 59,618.18 = 13,449.62 : x
  2. Step 2: Convert to fraction form
    39,747.90/59,618.18 = 13,449.62/x
  3. Step 3: Cross multiply
    39,747.90x = 59,618.18 × 13,449.62
  4. Step 4: Simplify right side
    39,747.90x = 801,841,866.09
  5. Step 5: Solve for x
    x = 801,841,866.09/39,747.90
  6. Step 6: Final answer
    x = 20,173.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.