Home / 16,378.38-22,589.18-10,629.56

Finding the Fourth Proportional to 16,378.38, 22,589.18 and 10,629.56

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Solution

The fourth proportional to 16,378.38, 22,589.18 and 10,629.56 is: 14,660.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,378.38 : 22,589.18 = 10,629.56 : x
  2. Step 2: Convert to fraction form
    16,378.38/22,589.18 = 10,629.56/x
  3. Step 3: Cross multiply
    16,378.38x = 22,589.18 × 10,629.56
  4. Step 4: Simplify right side
    16,378.38x = 240,113,006.07
  5. Step 5: Solve for x
    x = 240,113,006.07/16,378.38
  6. Step 6: Final answer
    x = 14,660.36

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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.