Home / 15,178.79-22,765.41-4,082.88

Finding the Fourth Proportional to 15,178.79, 22,765.41 and 4,082.88

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Solution

The fourth proportional to 15,178.79, 22,765.41 and 4,082.88 is: 6,123.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,178.79 : 22,765.41 = 4,082.88 : x
  2. Step 2: Convert to fraction form
    15,178.79/22,765.41 = 4,082.88/x
  3. Step 3: Cross multiply
    15,178.79x = 22,765.41 × 4,082.88
  4. Step 4: Simplify right side
    15,178.79x = 92,948,437.18
  5. Step 5: Solve for x
    x = 92,948,437.18/15,178.79
  6. Step 6: Final answer
    x = 6,123.57

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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.