Home / 17,140.95-25,711.38-5,454.14

Finding the Fourth Proportional to 17,140.95, 25,711.38 and 5,454.14

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Solution

The fourth proportional to 17,140.95, 25,711.38 and 5,454.14 is: 8,181.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,140.95 : 25,711.38 = 5,454.14 : x
  2. Step 2: Convert to fraction form
    17,140.95/25,711.38 = 5,454.14/x
  3. Step 3: Cross multiply
    17,140.95x = 25,711.38 × 5,454.14
  4. Step 4: Simplify right side
    17,140.95x = 140,233,337.56
  5. Step 5: Solve for x
    x = 140,233,337.56/17,140.95
  6. Step 6: Final answer
    x = 8,181.19

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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.