Home / 18,510.90-27,753.99-10,194.85

Finding the Fourth Proportional to 18,510.90, 27,753.99 and 10,194.85

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Solution

The fourth proportional to 18,510.90, 27,753.99 and 10,194.85 is: 15,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,510.90 : 27,753.99 = 10,194.85 : x
  2. Step 2: Convert to fraction form
    18,510.90/27,753.99 = 10,194.85/x
  3. Step 3: Cross multiply
    18,510.90x = 27,753.99 × 10,194.85
  4. Step 4: Simplify right side
    18,510.90x = 282,947,764.95
  5. Step 5: Solve for x
    x = 282,947,764.95/18,510.90
  6. Step 6: Final answer
    x = 15,285.47

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1.5x scale

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.