Home / 18,377.42-25,353.28-12,001.82

Finding the Fourth Proportional to 18,377.42, 25,353.28 and 12,001.82

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Solution

The fourth proportional to 18,377.42, 25,353.28 and 12,001.82 is: 16,557.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,377.42 : 25,353.28 = 12,001.82 : x
  2. Step 2: Convert to fraction form
    18,377.42/25,353.28 = 12,001.82/x
  3. Step 3: Cross multiply
    18,377.42x = 25,353.28 × 12,001.82
  4. Step 4: Simplify right side
    18,377.42x = 304,285,502.97
  5. Step 5: Solve for x
    x = 304,285,502.97/18,377.42
  6. Step 6: Final answer
    x = 16,557.57

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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.