Home / 20,832.16-31,251.30-7,504.06

Finding the Fourth Proportional to 20,832.16, 31,251.30 and 7,504.06

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Solution

The fourth proportional to 20,832.16, 31,251.30 and 7,504.06 is: 11,257.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,832.16 : 31,251.30 = 7,504.06 : x
  2. Step 2: Convert to fraction form
    20,832.16/31,251.30 = 7,504.06/x
  3. Step 3: Cross multiply
    20,832.16x = 31,251.30 × 7,504.06
  4. Step 4: Simplify right side
    20,832.16x = 234,511,630.28
  5. Step 5: Solve for x
    x = 234,511,630.28/20,832.16
  6. Step 6: Final answer
    x = 11,257.19

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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.