Home / 15,102.20-22,610.10-13,374.20

Finding the Fourth Proportional to 15,102.20, 22,610.10 and 13,374.20

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Solution

The fourth proportional to 15,102.20, 22,610.10 and 13,374.20 is: 20,023.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,102.20 : 22,610.10 = 13,374.20 : x
  2. Step 2: Convert to fraction form
    15,102.20/22,610.10 = 13,374.20/x
  3. Step 3: Cross multiply
    15,102.20x = 22,610.10 × 13,374.20
  4. Step 4: Simplify right side
    15,102.20x = 302,391,999.42
  5. Step 5: Solve for x
    x = 302,391,999.42/15,102.20
  6. Step 6: Final answer
    x = 20,023.04

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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.