Home / 23,103.11-31,882.49-12,755.19

Finding the Fourth Proportional to 23,103.11, 31,882.49 and 12,755.19

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Solution

The fourth proportional to 23,103.11, 31,882.49 and 12,755.19 is: 17,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,103.11 : 31,882.49 = 12,755.19 : x
  2. Step 2: Convert to fraction form
    23,103.11/31,882.49 = 12,755.19/x
  3. Step 3: Cross multiply
    23,103.11x = 31,882.49 × 12,755.19
  4. Step 4: Simplify right side
    23,103.11x = 406,667,285.36
  5. Step 5: Solve for x
    x = 406,667,285.36/23,103.11
  6. Step 6: Final answer
    x = 17,602.27

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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.