Home / 18,216.74-25,138.43-10,150.21

Finding the Fourth Proportional to 18,216.74, 25,138.43 and 10,150.21

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Solution

The fourth proportional to 18,216.74, 25,138.43 and 10,150.21 is: 14,006.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,216.74 : 25,138.43 = 10,150.21 : x
  2. Step 2: Convert to fraction form
    18,216.74/25,138.43 = 10,150.21/x
  3. Step 3: Cross multiply
    18,216.74x = 25,138.43 × 10,150.21
  4. Step 4: Simplify right side
    18,216.74x = 255,160,229.97
  5. Step 5: Solve for x
    x = 255,160,229.97/18,216.74
  6. Step 6: Final answer
    x = 14,006.91

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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.