Home / 15,429.15-23,142.57-5,568.43

Finding the Fourth Proportional to 15,429.15, 23,142.57 and 5,568.43

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Solution

The fourth proportional to 15,429.15, 23,142.57 and 5,568.43 is: 8,352.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,429.15 : 23,142.57 = 5,568.43 : x
  2. Step 2: Convert to fraction form
    15,429.15/23,142.57 = 5,568.43/x
  3. Step 3: Cross multiply
    15,429.15x = 23,142.57 × 5,568.43
  4. Step 4: Simplify right side
    15,429.15x = 128,867,753.22
  5. Step 5: Solve for x
    x = 128,867,753.22/15,429.15
  6. Step 6: Final answer
    x = 8,352.23

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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.