Home / 25,575.78-35,286.12-14,957.90

Finding the Fourth Proportional to 25,575.78, 35,286.12 and 14,957.90

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Solution

The fourth proportional to 25,575.78, 35,286.12 and 14,957.90 is: 20,636.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,575.78 : 35,286.12 = 14,957.90 : x
  2. Step 2: Convert to fraction form
    25,575.78/35,286.12 = 14,957.90/x
  3. Step 3: Cross multiply
    25,575.78x = 35,286.12 × 14,957.90
  4. Step 4: Simplify right side
    25,575.78x = 527,806,254.35
  5. Step 5: Solve for x
    x = 527,806,254.35/25,575.78
  6. Step 6: Final answer
    x = 20,636.96

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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.