Home / 22,007.28-30,367.13-12,448.47

Finding the Fourth Proportional to 22,007.28, 30,367.13 and 12,448.47

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Solution

The fourth proportional to 22,007.28, 30,367.13 and 12,448.47 is: 17,177.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,007.28 : 30,367.13 = 12,448.47 : x
  2. Step 2: Convert to fraction form
    22,007.28/30,367.13 = 12,448.47/x
  3. Step 3: Cross multiply
    22,007.28x = 30,367.13 × 12,448.47
  4. Step 4: Simplify right side
    22,007.28x = 378,024,306.79
  5. Step 5: Solve for x
    x = 378,024,306.79/22,007.28
  6. Step 6: Final answer
    x = 17,177.24

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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.