Home / 17,101.28-25,655.87-5,414.50

Finding the Fourth Proportional to 17,101.28, 25,655.87 and 5,414.50

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Solution

The fourth proportional to 17,101.28, 25,655.87 and 5,414.50 is: 8,122.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,101.28 : 25,655.87 = 5,414.50 : x
  2. Step 2: Convert to fraction form
    17,101.28/25,655.87 = 5,414.50/x
  3. Step 3: Cross multiply
    17,101.28x = 25,655.87 × 5,414.50
  4. Step 4: Simplify right side
    17,101.28x = 138,913,578.95
  5. Step 5: Solve for x
    x = 138,913,578.95/17,101.28
  6. Step 6: Final answer
    x = 8,122.99

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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.