Home / 22,218.28-33,290.51-15,630.62

Finding the Fourth Proportional to 22,218.28, 33,290.51 and 15,630.62

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Solution

The fourth proportional to 22,218.28, 33,290.51 and 15,630.62 is: 23,419.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,218.28 : 33,290.51 = 15,630.62 : x
  2. Step 2: Convert to fraction form
    22,218.28/33,290.51 = 15,630.62/x
  3. Step 3: Cross multiply
    22,218.28x = 33,290.51 × 15,630.62
  4. Step 4: Simplify right side
    22,218.28x = 520,351,233.26
  5. Step 5: Solve for x
    x = 520,351,233.26/22,218.28
  6. Step 6: Final answer
    x = 23,419.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.