Home / 18,718.46-25,829.52-10,761.83

Finding the Fourth Proportional to 18,718.46, 25,829.52 and 10,761.83

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Solution

The fourth proportional to 18,718.46, 25,829.52 and 10,761.83 is: 14,850.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,718.46 : 25,829.52 = 10,761.83 : x
  2. Step 2: Convert to fraction form
    18,718.46/25,829.52 = 10,761.83/x
  3. Step 3: Cross multiply
    18,718.46x = 25,829.52 × 10,761.83
  4. Step 4: Simplify right side
    18,718.46x = 277,972,903.22
  5. Step 5: Solve for x
    x = 277,972,903.22/18,718.46
  6. Step 6: Final answer
    x = 14,850.20

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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.