Home / 19,431.24-26,817.19-11,882.00

Finding the Fourth Proportional to 19,431.24, 26,817.19 and 11,882.00

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Solution

The fourth proportional to 19,431.24, 26,817.19 and 11,882.00 is: 16,398.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,431.24 : 26,817.19 = 11,882.00 : x
  2. Step 2: Convert to fraction form
    19,431.24/26,817.19 = 11,882.00/x
  3. Step 3: Cross multiply
    19,431.24x = 26,817.19 × 11,882.00
  4. Step 4: Simplify right side
    19,431.24x = 318,641,687.79
  5. Step 5: Solve for x
    x = 318,641,687.79/19,431.24
  6. Step 6: Final answer
    x = 16,398.42

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Double scale
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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.