Home / 16,517.28-24,774.56-6,128

Finding the Fourth Proportional to 16,517.28, 24,774.56 and 6,128

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Solution

The fourth proportional to 16,517.28, 24,774.56 and 6,128 is: 9,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,517.28 : 24,774.56 = 6,128 : x
  2. Step 2: Convert to fraction form
    16,517.28/24,774.56 = 6,128/x
  3. Step 3: Cross multiply
    16,517.28x = 24,774.56 × 6,128
  4. Step 4: Simplify right side
    16,517.28x = 151,818,503.68
  5. Step 5: Solve for x
    x = 151,818,503.68/16,517.28
  6. Step 6: Final answer
    x = 9,191.50

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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.