Home / 18,535.20-25,578.57-10,151.70

Finding the Fourth Proportional to 18,535.20, 25,578.57 and 10,151.70

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Solution

The fourth proportional to 18,535.20, 25,578.57 and 10,151.70 is: 14,009.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,535.20 : 25,578.57 = 10,151.70 : x
  2. Step 2: Convert to fraction form
    18,535.20/25,578.57 = 10,151.70/x
  3. Step 3: Cross multiply
    18,535.20x = 25,578.57 × 10,151.70
  4. Step 4: Simplify right side
    18,535.20x = 259,665,969.07
  5. Step 5: Solve for x
    x = 259,665,969.07/18,535.20
  6. Step 6: Final answer
    x = 14,009.34

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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.