Home / 14,576.40-21,865-5,691.38

Finding the Fourth Proportional to 14,576.40, 21,865 and 5,691.38

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Solution

The fourth proportional to 14,576.40, 21,865 and 5,691.38 is: 8,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,576.40 : 21,865 = 5,691.38 : x
  2. Step 2: Convert to fraction form
    14,576.40/21,865 = 5,691.38/x
  3. Step 3: Cross multiply
    14,576.40x = 21,865 × 5,691.38
  4. Step 4: Simplify right side
    14,576.40x = 124,442,023.70
  5. Step 5: Solve for x
    x = 124,442,023.70/14,576.40
  6. Step 6: Final answer
    x = 8,537.23

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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.