Home / 15,983.40-23,969.88-5,592.72

Finding the Fourth Proportional to 15,983.40, 23,969.88 and 5,592.72

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Solution

The fourth proportional to 15,983.40, 23,969.88 and 5,592.72 is: 8,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,983.40 : 23,969.88 = 5,592.72 : x
  2. Step 2: Convert to fraction form
    15,983.40/23,969.88 = 5,592.72/x
  3. Step 3: Cross multiply
    15,983.40x = 23,969.88 × 5,592.72
  4. Step 4: Simplify right side
    15,983.40x = 134,056,827.27
  5. Step 5: Solve for x
    x = 134,056,827.27/15,983.40
  6. Step 6: Final answer
    x = 8,387.25

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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.