Home / 27,083.24-40,618.85-19,691.18

Finding the Fourth Proportional to 27,083.24, 40,618.85 and 19,691.18

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Solution

The fourth proportional to 27,083.24, 40,618.85 and 19,691.18 is: 29,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,083.24 : 40,618.85 = 19,691.18 : x
  2. Step 2: Convert to fraction form
    27,083.24/40,618.85 = 19,691.18/x
  3. Step 3: Cross multiply
    27,083.24x = 40,618.85 × 19,691.18
  4. Step 4: Simplify right side
    27,083.24x = 799,832,785.19
  5. Step 5: Solve for x
    x = 799,832,785.19/27,083.24
  6. Step 6: Final answer
    x = 29,532.39

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1.5x scale

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.