Home / 39,727.92-59,599.68-13,440.24

Finding the Fourth Proportional to 39,727.92, 59,599.68 and 13,440.24

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Solution

The fourth proportional to 39,727.92, 59,599.68 and 13,440.24 is: 20,163.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,727.92 : 59,599.68 = 13,440.24 : x
  2. Step 2: Convert to fraction form
    39,727.92/59,599.68 = 13,440.24/x
  3. Step 3: Cross multiply
    39,727.92x = 59,599.68 × 13,440.24
  4. Step 4: Simplify right side
    39,727.92x = 801,034,003.12
  5. Step 5: Solve for x
    x = 801,034,003.12/39,727.92
  6. Step 6: Final answer
    x = 20,163.00

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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.