Home / 18,229.01-25,156.17-10,679.81

Finding the Fourth Proportional to 18,229.01, 25,156.17 and 10,679.81

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Solution

The fourth proportional to 18,229.01, 25,156.17 and 10,679.81 is: 14,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,229.01 : 25,156.17 = 10,679.81 : x
  2. Step 2: Convert to fraction form
    18,229.01/25,156.17 = 10,679.81/x
  3. Step 3: Cross multiply
    18,229.01x = 25,156.17 × 10,679.81
  4. Step 4: Simplify right side
    18,229.01x = 268,662,990.15
  5. Step 5: Solve for x
    x = 268,662,990.15/18,229.01
  6. Step 6: Final answer
    x = 14,738.21

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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.