Home / 20,863.10-31,297.59-6,073.11

Finding the Fourth Proportional to 20,863.10, 31,297.59 and 6,073.11

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Solution

The fourth proportional to 20,863.10, 31,297.59 and 6,073.11 is: 9,110.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,863.10 : 31,297.59 = 6,073.11 : x
  2. Step 2: Convert to fraction form
    20,863.10/31,297.59 = 6,073.11/x
  3. Step 3: Cross multiply
    20,863.10x = 31,297.59 × 6,073.11
  4. Step 4: Simplify right side
    20,863.10x = 190,073,706.80
  5. Step 5: Solve for x
    x = 190,073,706.80/20,863.10
  6. Step 6: Final answer
    x = 9,110.52

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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.