Home / 26,469.13-39,719.49-10,681.72

Finding the Fourth Proportional to 26,469.13, 39,719.49 and 10,681.72

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Solution

The fourth proportional to 26,469.13, 39,719.49 and 10,681.72 is: 16,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,469.13 : 39,719.49 = 10,681.72 : x
  2. Step 2: Convert to fraction form
    26,469.13/39,719.49 = 10,681.72/x
  3. Step 3: Cross multiply
    26,469.13x = 39,719.49 × 10,681.72
  4. Step 4: Simplify right side
    26,469.13x = 424,272,470.72
  5. Step 5: Solve for x
    x = 424,272,470.72/26,469.13
  6. Step 6: Final answer
    x = 16,028.95

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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.