Home / 21,034.62-31,552.20-6,243.18

Finding the Fourth Proportional to 21,034.62, 31,552.20 and 6,243.18

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Solution

The fourth proportional to 21,034.62, 31,552.20 and 6,243.18 is: 9,364.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,034.62 : 31,552.20 = 6,243.18 : x
  2. Step 2: Convert to fraction form
    21,034.62/31,552.20 = 6,243.18/x
  3. Step 3: Cross multiply
    21,034.62x = 31,552.20 × 6,243.18
  4. Step 4: Simplify right side
    21,034.62x = 196,986,064.00
  5. Step 5: Solve for x
    x = 196,986,064.00/21,034.62
  6. Step 6: Final answer
    x = 9,364.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.