Home / 22,801.20-34,189.65-9,638.70

Finding the Fourth Proportional to 22,801.20, 34,189.65 and 9,638.70

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Solution

The fourth proportional to 22,801.20, 34,189.65 and 9,638.70 is: 14,452.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,801.20 : 34,189.65 = 9,638.70 : x
  2. Step 2: Convert to fraction form
    22,801.20/34,189.65 = 9,638.70/x
  3. Step 3: Cross multiply
    22,801.20x = 34,189.65 × 9,638.70
  4. Step 4: Simplify right side
    22,801.20x = 329,543,779.46
  5. Step 5: Solve for x
    x = 329,543,779.46/22,801.20
  6. Step 6: Final answer
    x = 14,452.91

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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.