Home / 16,919.38-23,359.33-10,872.07

Finding the Fourth Proportional to 16,919.38, 23,359.33 and 10,872.07

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Solution

The fourth proportional to 16,919.38, 23,359.33 and 10,872.07 is: 15,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,919.38 : 23,359.33 = 10,872.07 : x
  2. Step 2: Convert to fraction form
    16,919.38/23,359.33 = 10,872.07/x
  3. Step 3: Cross multiply
    16,919.38x = 23,359.33 × 10,872.07
  4. Step 4: Simplify right side
    16,919.38x = 253,964,154.12
  5. Step 5: Solve for x
    x = 253,964,154.12/16,919.38
  6. Step 6: Final answer
    x = 15,010.26

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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.