Home / 18,529.08-25,572.60-10,974.80

Finding the Fourth Proportional to 18,529.08, 25,572.60 and 10,974.80

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Solution

The fourth proportional to 18,529.08, 25,572.60 and 10,974.80 is: 15,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.08 : 25,572.60 = 10,974.80 : x
  2. Step 2: Convert to fraction form
    18,529.08/25,572.60 = 10,974.80/x
  3. Step 3: Cross multiply
    18,529.08x = 25,572.60 × 10,974.80
  4. Step 4: Simplify right side
    18,529.08x = 280,654,170.48
  5. Step 5: Solve for x
    x = 280,654,170.48/18,529.08
  6. Step 6: Final answer
    x = 15,146.69

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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.