Home / 19,434.68-26,817.76-11,882.78

Finding the Fourth Proportional to 19,434.68, 26,817.76 and 11,882.78

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Solution

The fourth proportional to 19,434.68, 26,817.76 and 11,882.78 is: 16,396.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,434.68 : 26,817.76 = 11,882.78 : x
  2. Step 2: Convert to fraction form
    19,434.68/26,817.76 = 11,882.78/x
  3. Step 3: Cross multiply
    19,434.68x = 26,817.76 × 11,882.78
  4. Step 4: Simplify right side
    19,434.68x = 318,669,542.17
  5. Step 5: Solve for x
    x = 318,669,542.17/19,434.68
  6. Step 6: Final answer
    x = 16,396.95

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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.