Home / 25,375.52-35,018.16-14,765.78

Finding the Fourth Proportional to 25,375.52, 35,018.16 and 14,765.78

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Solution

The fourth proportional to 25,375.52, 35,018.16 and 14,765.78 is: 20,376.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,375.52 : 35,018.16 = 14,765.78 : x
  2. Step 2: Convert to fraction form
    25,375.52/35,018.16 = 14,765.78/x
  3. Step 3: Cross multiply
    25,375.52x = 35,018.16 × 14,765.78
  4. Step 4: Simplify right side
    25,375.52x = 517,070,446.56
  5. Step 5: Solve for x
    x = 517,070,446.56/25,375.52
  6. Step 6: Final answer
    x = 20,376.74

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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.