Home / 25,293.11-37,920.92-12,132.95

Finding the Fourth Proportional to 25,293.11, 37,920.92 and 12,132.95

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Solution

The fourth proportional to 25,293.11, 37,920.92 and 12,132.95 is: 18,190.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,293.11 : 37,920.92 = 12,132.95 : x
  2. Step 2: Convert to fraction form
    25,293.11/37,920.92 = 12,132.95/x
  3. Step 3: Cross multiply
    25,293.11x = 37,920.92 × 12,132.95
  4. Step 4: Simplify right side
    25,293.11x = 460,092,376.04
  5. Step 5: Solve for x
    x = 460,092,376.04/25,293.11
  6. Step 6: Final answer
    x = 18,190.43

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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.