Home / 26,531.91-39,711.33-19,510.02

Finding the Fourth Proportional to 26,531.91, 39,711.33 and 19,510.02

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Solution

The fourth proportional to 26,531.91, 39,711.33 and 19,510.02 is: 29,201.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,531.91 : 39,711.33 = 19,510.02 : x
  2. Step 2: Convert to fraction form
    26,531.91/39,711.33 = 19,510.02/x
  3. Step 3: Cross multiply
    26,531.91x = 39,711.33 × 19,510.02
  4. Step 4: Simplify right side
    26,531.91x = 774,768,842.53
  5. Step 5: Solve for x
    x = 774,768,842.53/26,531.91
  6. Step 6: Final answer
    x = 29,201.40

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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.