Home / 22,290.60-33,414.30-9,125.40

Finding the Fourth Proportional to 22,290.60, 33,414.30 and 9,125.40

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Solution

The fourth proportional to 22,290.60, 33,414.30 and 9,125.40 is: 13,679.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,290.60 : 33,414.30 = 9,125.40 : x
  2. Step 2: Convert to fraction form
    22,290.60/33,414.30 = 9,125.40/x
  3. Step 3: Cross multiply
    22,290.60x = 33,414.30 × 9,125.40
  4. Step 4: Simplify right side
    22,290.60x = 304,918,853.22
  5. Step 5: Solve for x
    x = 304,918,853.22/22,290.60
  6. Step 6: Final answer
    x = 13,679.26

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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.