Home / 20,843.40-31,265.10-6,052.80

Finding the Fourth Proportional to 20,843.40, 31,265.10 and 6,052.80

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Solution

The fourth proportional to 20,843.40, 31,265.10 and 6,052.80 is: 9,079.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,843.40 : 31,265.10 = 6,052.80 : x
  2. Step 2: Convert to fraction form
    20,843.40/31,265.10 = 6,052.80/x
  3. Step 3: Cross multiply
    20,843.40x = 31,265.10 × 6,052.80
  4. Step 4: Simplify right side
    20,843.40x = 189,241,397.28
  5. Step 5: Solve for x
    x = 189,241,397.28/20,843.40
  6. Step 6: Final answer
    x = 9,079.20

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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.