Home / 22,751.28-34,126.92-7,168.50

Finding the Fourth Proportional to 22,751.28, 34,126.92 and 7,168.50

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Solution

The fourth proportional to 22,751.28, 34,126.92 and 7,168.50 is: 10,752.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,751.28 : 34,126.92 = 7,168.50 : x
  2. Step 2: Convert to fraction form
    22,751.28/34,126.92 = 7,168.50/x
  3. Step 3: Cross multiply
    22,751.28x = 34,126.92 × 7,168.50
  4. Step 4: Simplify right side
    22,751.28x = 244,638,826.02
  5. Step 5: Solve for x
    x = 244,638,826.02/22,751.28
  6. Step 6: Final answer
    x = 10,752.75

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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.