Home / 25,493.72-35,194.13-15,938.91

Finding the Fourth Proportional to 25,493.72, 35,194.13 and 15,938.91

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Solution

The fourth proportional to 25,493.72, 35,194.13 and 15,938.91 is: 22,003.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,493.72 : 35,194.13 = 15,938.91 : x
  2. Step 2: Convert to fraction form
    25,493.72/35,194.13 = 15,938.91/x
  3. Step 3: Cross multiply
    25,493.72x = 35,194.13 × 15,938.91
  4. Step 4: Simplify right side
    25,493.72x = 560,955,990.90
  5. Step 5: Solve for x
    x = 560,955,990.90/25,493.72
  6. Step 6: Final answer
    x = 22,003.70

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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.