Home / 22,583.28-31,168.48-12,892.76

Finding the Fourth Proportional to 22,583.28, 31,168.48 and 12,892.76

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Solution

The fourth proportional to 22,583.28, 31,168.48 and 12,892.76 is: 17,794.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,583.28 : 31,168.48 = 12,892.76 : x
  2. Step 2: Convert to fraction form
    22,583.28/31,168.48 = 12,892.76/x
  3. Step 3: Cross multiply
    22,583.28x = 31,168.48 × 12,892.76
  4. Step 4: Simplify right side
    22,583.28x = 401,847,732.20
  5. Step 5: Solve for x
    x = 401,847,732.20/22,583.28
  6. Step 6: Final answer
    x = 17,794.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.