Home / 14,487.29-21,732.75-5,125.10

Finding the Fourth Proportional to 14,487.29, 21,732.75 and 5,125.10

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Solution

The fourth proportional to 14,487.29, 21,732.75 and 5,125.10 is: 7,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.29 : 21,732.75 = 5,125.10 : x
  2. Step 2: Convert to fraction form
    14,487.29/21,732.75 = 5,125.10/x
  3. Step 3: Cross multiply
    14,487.29x = 21,732.75 × 5,125.10
  4. Step 4: Simplify right side
    14,487.29x = 111,382,491.40
  5. Step 5: Solve for x
    x = 111,382,491.40/14,487.29
  6. Step 6: Final answer
    x = 7,688.29

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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.