Home / 19,371.89-26,732.33-11,817.02

Finding the Fourth Proportional to 19,371.89, 26,732.33 and 11,817.02

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Solution

The fourth proportional to 19,371.89, 26,732.33 and 11,817.02 is: 16,306.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.89 : 26,732.33 = 11,817.02 : x
  2. Step 2: Convert to fraction form
    19,371.89/26,732.33 = 11,817.02/x
  3. Step 3: Cross multiply
    19,371.89x = 26,732.33 × 11,817.02
  4. Step 4: Simplify right side
    19,371.89x = 315,896,507.80
  5. Step 5: Solve for x
    x = 315,896,507.80/19,371.89
  6. Step 6: Final answer
    x = 16,306.95

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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.