Home / 18,082.47-27,123.71-4,934.55

Finding the Fourth Proportional to 18,082.47, 27,123.71 and 4,934.55

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Solution

The fourth proportional to 18,082.47, 27,123.71 and 4,934.55 is: 7,401.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,082.47 : 27,123.71 = 4,934.55 : x
  2. Step 2: Convert to fraction form
    18,082.47/27,123.71 = 4,934.55/x
  3. Step 3: Cross multiply
    18,082.47x = 27,123.71 × 4,934.55
  4. Step 4: Simplify right side
    18,082.47x = 133,843,278.51
  5. Step 5: Solve for x
    x = 133,843,278.51/18,082.47
  6. Step 6: Final answer
    x = 7,401.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.