Home / 16,708.10-23,082.21-10,979.18

Finding the Fourth Proportional to 16,708.10, 23,082.21 and 10,979.18

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Solution

The fourth proportional to 16,708.10, 23,082.21 and 10,979.18 is: 15,167.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,708.10 : 23,082.21 = 10,979.18 : x
  2. Step 2: Convert to fraction form
    16,708.10/23,082.21 = 10,979.18/x
  3. Step 3: Cross multiply
    16,708.10x = 23,082.21 × 10,979.18
  4. Step 4: Simplify right side
    16,708.10x = 253,423,709.54
  5. Step 5: Solve for x
    x = 253,423,709.54/16,708.10
  6. Step 6: Final answer
    x = 15,167.72

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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.