Home / 17,124.28-25,690.57-5,437.60

Finding the Fourth Proportional to 17,124.28, 25,690.57 and 5,437.60

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Solution

The fourth proportional to 17,124.28, 25,690.57 and 5,437.60 is: 8,157.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,124.28 : 25,690.57 = 5,437.60 : x
  2. Step 2: Convert to fraction form
    17,124.28/25,690.57 = 5,437.60/x
  3. Step 3: Cross multiply
    17,124.28x = 25,690.57 × 5,437.60
  4. Step 4: Simplify right side
    17,124.28x = 139,694,965.61
  5. Step 5: Solve for x
    x = 139,694,965.61/17,124.28
  6. Step 6: Final answer
    x = 8,157.71

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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.