Home / 14,171.76-19,553.40-7,882.92

Finding the Fourth Proportional to 14,171.76, 19,553.40 and 7,882.92

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Solution

The fourth proportional to 14,171.76, 19,553.40 and 7,882.92 is: 10,876.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,171.76 : 19,553.40 = 7,882.92 : x
  2. Step 2: Convert to fraction form
    14,171.76/19,553.40 = 7,882.92/x
  3. Step 3: Cross multiply
    14,171.76x = 19,553.40 × 7,882.92
  4. Step 4: Simplify right side
    14,171.76x = 154,137,887.93
  5. Step 5: Solve for x
    x = 154,137,887.93/14,171.76
  6. Step 6: Final answer
    x = 10,876.41

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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.