Home / 22,207.28-30,646.42-13,253.04

Finding the Fourth Proportional to 22,207.28, 30,646.42 and 13,253.04

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Solution

The fourth proportional to 22,207.28, 30,646.42 and 13,253.04 is: 18,289.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,207.28 : 30,646.42 = 13,253.04 : x
  2. Step 2: Convert to fraction form
    22,207.28/30,646.42 = 13,253.04/x
  3. Step 3: Cross multiply
    22,207.28x = 30,646.42 × 13,253.04
  4. Step 4: Simplify right side
    22,207.28x = 406,158,196.98
  5. Step 5: Solve for x
    x = 406,158,196.98/22,207.28
  6. Step 6: Final answer
    x = 18,289.42

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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.