Home / 17,186.10-25,779.15-15,306.90

Finding the Fourth Proportional to 17,186.10, 25,779.15 and 15,306.90

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Solution

The fourth proportional to 17,186.10, 25,779.15 and 15,306.90 is: 22,960.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,186.10 : 25,779.15 = 15,306.90 : x
  2. Step 2: Convert to fraction form
    17,186.10/25,779.15 = 15,306.90/x
  3. Step 3: Cross multiply
    17,186.10x = 25,779.15 × 15,306.90
  4. Step 4: Simplify right side
    17,186.10x = 394,598,871.14
  5. Step 5: Solve for x
    x = 394,598,871.14/17,186.10
  6. Step 6: Final answer
    x = 22,960.35

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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.