Home / 20,701.19-31,052.29-7,553.55

Finding the Fourth Proportional to 20,701.19, 31,052.29 and 7,553.55

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Solution

The fourth proportional to 20,701.19, 31,052.29 and 7,553.55 is: 11,330.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,701.19 : 31,052.29 = 7,553.55 : x
  2. Step 2: Convert to fraction form
    20,701.19/31,052.29 = 7,553.55/x
  3. Step 3: Cross multiply
    20,701.19x = 31,052.29 × 7,553.55
  4. Step 4: Simplify right side
    20,701.19x = 234,555,122.69
  5. Step 5: Solve for x
    x = 234,555,122.69/20,701.19
  6. Step 6: Final answer
    x = 11,330.52

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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.