Home / 18,222.14-25,158.17-14,872.94

Finding the Fourth Proportional to 18,222.14, 25,158.17 and 14,872.94

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Solution

The fourth proportional to 18,222.14, 25,158.17 and 14,872.94 is: 20,534.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,222.14 : 25,158.17 = 14,872.94 : x
  2. Step 2: Convert to fraction form
    18,222.14/25,158.17 = 14,872.94/x
  3. Step 3: Cross multiply
    18,222.14x = 25,158.17 × 14,872.94
  4. Step 4: Simplify right side
    18,222.14x = 374,175,752.76
  5. Step 5: Solve for x
    x = 374,175,752.76/18,222.14
  6. Step 6: Final answer
    x = 20,534.13

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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.