Home / 15,144.70-22,730.55-8,896.90

Finding the Fourth Proportional to 15,144.70, 22,730.55 and 8,896.90

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Solution

The fourth proportional to 15,144.70, 22,730.55 and 8,896.90 is: 13,353.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,144.70 : 22,730.55 = 8,896.90 : x
  2. Step 2: Convert to fraction form
    15,144.70/22,730.55 = 8,896.90/x
  3. Step 3: Cross multiply
    15,144.70x = 22,730.55 × 8,896.90
  4. Step 4: Simplify right side
    15,144.70x = 202,231,430.30
  5. Step 5: Solve for x
    x = 202,231,430.30/15,144.70
  6. Step 6: Final answer
    x = 13,353.28

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1.5x scale

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.