Home / 18,535.38-25,580.97-10,578.75

Finding the Fourth Proportional to 18,535.38, 25,580.97 and 10,578.75

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Solution

The fourth proportional to 18,535.38, 25,580.97 and 10,578.75 is: 14,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.38 : 25,580.97 = 10,578.75 : x
  2. Step 2: Convert to fraction form
    18,535.38/25,580.97 = 10,578.75/x
  3. Step 3: Cross multiply
    18,535.38x = 25,580.97 × 10,578.75
  4. Step 4: Simplify right side
    18,535.38x = 270,614,686.39
  5. Step 5: Solve for x
    x = 270,614,686.39/18,535.38
  6. Step 6: Final answer
    x = 14,599.90

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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.