Home / 18,660.62-25,751.19-10,595.78

Finding the Fourth Proportional to 18,660.62, 25,751.19 and 10,595.78

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Solution

The fourth proportional to 18,660.62, 25,751.19 and 10,595.78 is: 14,621.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,660.62 : 25,751.19 = 10,595.78 : x
  2. Step 2: Convert to fraction form
    18,660.62/25,751.19 = 10,595.78/x
  3. Step 3: Cross multiply
    18,660.62x = 25,751.19 × 10,595.78
  4. Step 4: Simplify right side
    18,660.62x = 272,853,943.98
  5. Step 5: Solve for x
    x = 272,853,943.98/18,660.62
  6. Step 6: Final answer
    x = 14,621.91

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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.