Home / 26,118.52-39,187.42-12,085.40

Finding the Fourth Proportional to 26,118.52, 39,187.42 and 12,085.40

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Solution

The fourth proportional to 26,118.52, 39,187.42 and 12,085.40 is: 18,132.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,118.52 : 39,187.42 = 12,085.40 : x
  2. Step 2: Convert to fraction form
    26,118.52/39,187.42 = 12,085.40/x
  3. Step 3: Cross multiply
    26,118.52x = 39,187.42 × 12,085.40
  4. Step 4: Simplify right side
    26,118.52x = 473,595,645.67
  5. Step 5: Solve for x
    x = 473,595,645.67/26,118.52
  6. Step 6: Final answer
    x = 18,132.56

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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.