Home / 25,165.14-34,713.56-15,600.66

Finding the Fourth Proportional to 25,165.14, 34,713.56 and 15,600.66

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Solution

The fourth proportional to 25,165.14, 34,713.56 and 15,600.66 is: 21,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,165.14 : 34,713.56 = 15,600.66 : x
  2. Step 2: Convert to fraction form
    25,165.14/34,713.56 = 15,600.66/x
  3. Step 3: Cross multiply
    25,165.14x = 34,713.56 × 15,600.66
  4. Step 4: Simplify right side
    25,165.14x = 541,554,446.95
  5. Step 5: Solve for x
    x = 541,554,446.95/25,165.14
  6. Step 6: Final answer
    x = 21,520.03

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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.