Home / 22,167.28-30,566.04-18,121.48

Finding the Fourth Proportional to 22,167.28, 30,566.04 and 18,121.48

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Solution

The fourth proportional to 22,167.28, 30,566.04 and 18,121.48 is: 24,987.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,167.28 : 30,566.04 = 18,121.48 : x
  2. Step 2: Convert to fraction form
    22,167.28/30,566.04 = 18,121.48/x
  3. Step 3: Cross multiply
    22,167.28x = 30,566.04 × 18,121.48
  4. Step 4: Simplify right side
    22,167.28x = 553,901,882.54
  5. Step 5: Solve for x
    x = 553,901,882.54/22,167.28
  6. Step 6: Final answer
    x = 24,987.36

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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.