Home / 25,079.85-34,610.55-15,008.71

Finding the Fourth Proportional to 25,079.85, 34,610.55 and 15,008.71

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Solution

The fourth proportional to 25,079.85, 34,610.55 and 15,008.71 is: 20,712.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,079.85 : 34,610.55 = 15,008.71 : x
  2. Step 2: Convert to fraction form
    25,079.85/34,610.55 = 15,008.71/x
  3. Step 3: Cross multiply
    25,079.85x = 34,610.55 × 15,008.71
  4. Step 4: Simplify right side
    25,079.85x = 519,459,707.89
  5. Step 5: Solve for x
    x = 519,459,707.89/25,079.85
  6. Step 6: Final answer
    x = 20,712.23

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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.