Home / 15,344.24-23,006.11-12,386.32

Finding the Fourth Proportional to 15,344.24, 23,006.11 and 12,386.32

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Solution

The fourth proportional to 15,344.24, 23,006.11 and 12,386.32 is: 18,571.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,344.24 : 23,006.11 = 12,386.32 : x
  2. Step 2: Convert to fraction form
    15,344.24/23,006.11 = 12,386.32/x
  3. Step 3: Cross multiply
    15,344.24x = 23,006.11 × 12,386.32
  4. Step 4: Simplify right side
    15,344.24x = 284,961,104.57
  5. Step 5: Solve for x
    x = 284,961,104.57/15,344.24
  6. Step 6: Final answer
    x = 18,571.21

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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.