Home / 17,101.46-25,691.12-12,372.21

Finding the Fourth Proportional to 17,101.46, 25,691.12 and 12,372.21

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Solution

The fourth proportional to 17,101.46, 25,691.12 and 12,372.21 is: 18,586.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,101.46 : 25,691.12 = 12,372.21 : x
  2. Step 2: Convert to fraction form
    17,101.46/25,691.12 = 12,372.21/x
  3. Step 3: Cross multiply
    17,101.46x = 25,691.12 × 12,372.21
  4. Step 4: Simplify right side
    17,101.46x = 317,855,931.78
  5. Step 5: Solve for x
    x = 317,855,931.78/17,101.46
  6. Step 6: Final answer
    x = 18,586.48

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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.