Home / 19,821.15-27,352.97-10,868.62

Finding the Fourth Proportional to 19,821.15, 27,352.97 and 10,868.62

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Solution

The fourth proportional to 19,821.15, 27,352.97 and 10,868.62 is: 14,998.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,821.15 : 27,352.97 = 10,868.62 : x
  2. Step 2: Convert to fraction form
    19,821.15/27,352.97 = 10,868.62/x
  3. Step 3: Cross multiply
    19,821.15x = 27,352.97 × 10,868.62
  4. Step 4: Simplify right side
    19,821.15x = 297,288,982.46
  5. Step 5: Solve for x
    x = 297,288,982.46/19,821.15
  6. Step 6: Final answer
    x = 14,998.58

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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.