Home / 25,162.12-37,753.43-12,685.74

Finding the Fourth Proportional to 25,162.12, 37,753.43 and 12,685.74

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Solution

The fourth proportional to 25,162.12, 37,753.43 and 12,685.74 is: 19,033.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,162.12 : 37,753.43 = 12,685.74 : x
  2. Step 2: Convert to fraction form
    25,162.12/37,753.43 = 12,685.74/x
  3. Step 3: Cross multiply
    25,162.12x = 37,753.43 × 12,685.74
  4. Step 4: Simplify right side
    25,162.12x = 478,930,197.09
  5. Step 5: Solve for x
    x = 478,930,197.09/25,162.12
  6. Step 6: Final answer
    x = 19,033.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.