Home / 19,821.11-27,352.92-10,868.59

Finding the Fourth Proportional to 19,821.11, 27,352.92 and 10,868.59

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Solution

The fourth proportional to 19,821.11, 27,352.92 and 10,868.59 is: 14,998.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.11 : 27,352.92 = 10,868.59 : x
  2. Step 2: Convert to fraction form
    19,821.11/27,352.92 = 10,868.59/x
  3. Step 3: Cross multiply
    19,821.11x = 27,352.92 × 10,868.59
  4. Step 4: Simplify right side
    19,821.11x = 297,287,672.78
  5. Step 5: Solve for x
    x = 297,287,672.78/19,821.11
  6. Step 6: Final answer
    x = 14,998.54

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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.