Home / 25,448.50-38,147.92-12,117.91

Finding the Fourth Proportional to 25,448.50, 38,147.92 and 12,117.91

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Solution

The fourth proportional to 25,448.50, 38,147.92 and 12,117.91 is: 18,165.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,448.50 : 38,147.92 = 12,117.91 : x
  2. Step 2: Convert to fraction form
    25,448.50/38,147.92 = 12,117.91/x
  3. Step 3: Cross multiply
    25,448.50x = 38,147.92 × 12,117.91
  4. Step 4: Simplify right side
    25,448.50x = 462,273,061.25
  5. Step 5: Solve for x
    x = 462,273,061.25/25,448.50
  6. Step 6: Final answer
    x = 18,165.04

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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.