Home / 22,359.28-30,844.20-13,402.48

Finding the Fourth Proportional to 22,359.28, 30,844.20 and 13,402.48

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Solution

The fourth proportional to 22,359.28, 30,844.20 and 13,402.48 is: 18,488.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,359.28 : 30,844.20 = 13,402.48 : x
  2. Step 2: Convert to fraction form
    22,359.28/30,844.20 = 13,402.48/x
  3. Step 3: Cross multiply
    22,359.28x = 30,844.20 × 13,402.48
  4. Step 4: Simplify right side
    22,359.28x = 413,388,773.62
  5. Step 5: Solve for x
    x = 413,388,773.62/22,359.28
  6. Step 6: Final answer
    x = 18,488.47

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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.