Home / 25,350.57-34,972.16-16,400.98

Finding the Fourth Proportional to 25,350.57, 34,972.16 and 16,400.98

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Solution

The fourth proportional to 25,350.57, 34,972.16 and 16,400.98 is: 22,625.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,350.57 : 34,972.16 = 16,400.98 : x
  2. Step 2: Convert to fraction form
    25,350.57/34,972.16 = 16,400.98/x
  3. Step 3: Cross multiply
    25,350.57x = 34,972.16 × 16,400.98
  4. Step 4: Simplify right side
    25,350.57x = 573,577,658.43
  5. Step 5: Solve for x
    x = 573,577,658.43/25,350.57
  6. Step 6: Final answer
    x = 22,625.83

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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.