Home / 22,672.28-31,282.94-13,236.60

Finding the Fourth Proportional to 22,672.28, 31,282.94 and 13,236.60

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Solution

The fourth proportional to 22,672.28, 31,282.94 and 13,236.60 is: 18,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,672.28 : 31,282.94 = 13,236.60 : x
  2. Step 2: Convert to fraction form
    22,672.28/31,282.94 = 13,236.60/x
  3. Step 3: Cross multiply
    22,672.28x = 31,282.94 × 13,236.60
  4. Step 4: Simplify right side
    22,672.28x = 414,079,763.60
  5. Step 5: Solve for x
    x = 414,079,763.60/22,672.28
  6. Step 6: Final answer
    x = 18,263.70

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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.