Home / 27,265.65-40,869.12-13,195.95

Finding the Fourth Proportional to 27,265.65, 40,869.12 and 13,195.95

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Solution

The fourth proportional to 27,265.65, 40,869.12 and 13,195.95 is: 19,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,265.65 : 40,869.12 = 13,195.95 : x
  2. Step 2: Convert to fraction form
    27,265.65/40,869.12 = 13,195.95/x
  3. Step 3: Cross multiply
    27,265.65x = 40,869.12 × 13,195.95
  4. Step 4: Simplify right side
    27,265.65x = 539,306,864.06
  5. Step 5: Solve for x
    x = 539,306,864.06/27,265.65
  6. Step 6: Final answer
    x = 19,779.72

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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.