Home / 25,188.61-34,761.45-14,576.20

Finding the Fourth Proportional to 25,188.61, 34,761.45 and 14,576.20

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Solution

The fourth proportional to 25,188.61, 34,761.45 and 14,576.20 is: 20,115.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.61 : 34,761.45 = 14,576.20 : x
  2. Step 2: Convert to fraction form
    25,188.61/34,761.45 = 14,576.20/x
  3. Step 3: Cross multiply
    25,188.61x = 34,761.45 × 14,576.20
  4. Step 4: Simplify right side
    25,188.61x = 506,689,847.49
  5. Step 5: Solve for x
    x = 506,689,847.49/25,188.61
  6. Step 6: Final answer
    x = 20,115.83

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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.