Home / 39,857.61-59,790.08-10,275.55

Finding the Fourth Proportional to 39,857.61, 59,790.08 and 10,275.55

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Solution

The fourth proportional to 39,857.61, 59,790.08 and 10,275.55 is: 15,414.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,857.61 : 59,790.08 = 10,275.55 : x
  2. Step 2: Convert to fraction form
    39,857.61/59,790.08 = 10,275.55/x
  3. Step 3: Cross multiply
    39,857.61x = 59,790.08 × 10,275.55
  4. Step 4: Simplify right side
    39,857.61x = 614,375,956.54
  5. Step 5: Solve for x
    x = 614,375,956.54/39,857.61
  6. Step 6: Final answer
    x = 15,414.27

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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.