Home / 22,217.33-30,660.29-13,265.62

Finding the Fourth Proportional to 22,217.33, 30,660.29 and 13,265.62

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Solution

The fourth proportional to 22,217.33, 30,660.29 and 13,265.62 is: 18,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,217.33 : 30,660.29 = 13,265.62 : x
  2. Step 2: Convert to fraction form
    22,217.33/30,660.29 = 13,265.62/x
  3. Step 3: Cross multiply
    22,217.33x = 30,660.29 × 13,265.62
  4. Step 4: Simplify right side
    22,217.33x = 406,727,683.18
  5. Step 5: Solve for x
    x = 406,727,683.18/22,217.33
  6. Step 6: Final answer
    x = 18,306.77

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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.