Home / 16,082.87-24,128.63-6,719.78

Finding the Fourth Proportional to 16,082.87, 24,128.63 and 6,719.78

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Solution

The fourth proportional to 16,082.87, 24,128.63 and 6,719.78 is: 10,081.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,082.87 : 24,128.63 = 6,719.78 : x
  2. Step 2: Convert to fraction form
    16,082.87/24,128.63 = 6,719.78/x
  3. Step 3: Cross multiply
    16,082.87x = 24,128.63 × 6,719.78
  4. Step 4: Simplify right side
    16,082.87x = 162,138,956.26
  5. Step 5: Solve for x
    x = 162,138,956.26/16,082.87
  6. Step 6: Final answer
    x = 10,081.47

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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.