Home / 22,749.60-34,129.20-7,168.32

Finding the Fourth Proportional to 22,749.60, 34,129.20 and 7,168.32

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Solution

The fourth proportional to 22,749.60, 34,129.20 and 7,168.32 is: 10,753.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.60 : 34,129.20 = 7,168.32 : x
  2. Step 2: Convert to fraction form
    22,749.60/34,129.20 = 7,168.32/x
  3. Step 3: Cross multiply
    22,749.60x = 34,129.20 × 7,168.32
  4. Step 4: Simplify right side
    22,749.60x = 244,649,026.94
  5. Step 5: Solve for x
    x = 244,649,026.94/22,749.60
  6. Step 6: Final answer
    x = 10,753.99

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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.