Home / 15,491.25-23,240.52-5,103

Finding the Fourth Proportional to 15,491.25, 23,240.52 and 5,103

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Solution

The fourth proportional to 15,491.25, 23,240.52 and 5,103 is: 7,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,491.25 : 23,240.52 = 5,103 : x
  2. Step 2: Convert to fraction form
    15,491.25/23,240.52 = 5,103/x
  3. Step 3: Cross multiply
    15,491.25x = 23,240.52 × 5,103
  4. Step 4: Simplify right side
    15,491.25x = 118,596,373.56
  5. Step 5: Solve for x
    x = 118,596,373.56/15,491.25
  6. Step 6: Final answer
    x = 7,655.70

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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.