Home / 16,934.28-25,405.20-5,247.60

Finding the Fourth Proportional to 16,934.28, 25,405.20 and 5,247.60

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Solution

The fourth proportional to 16,934.28, 25,405.20 and 5,247.60 is: 7,872.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,934.28 : 25,405.20 = 5,247.60 : x
  2. Step 2: Convert to fraction form
    16,934.28/25,405.20 = 5,247.60/x
  3. Step 3: Cross multiply
    16,934.28x = 25,405.20 × 5,247.60
  4. Step 4: Simplify right side
    16,934.28x = 133,316,327.52
  5. Step 5: Solve for x
    x = 133,316,327.52/16,934.28
  6. Step 6: Final answer
    x = 7,872.57

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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.