Home / 26,871.33-40,306.30-7,150.05

Finding the Fourth Proportional to 26,871.33, 40,306.30 and 7,150.05

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Solution

The fourth proportional to 26,871.33, 40,306.30 and 7,150.05 is: 10,724.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,871.33 : 40,306.30 = 7,150.05 : x
  2. Step 2: Convert to fraction form
    26,871.33/40,306.30 = 7,150.05/x
  3. Step 3: Cross multiply
    26,871.33x = 40,306.30 × 7,150.05
  4. Step 4: Simplify right side
    26,871.33x = 288,192,060.32
  5. Step 5: Solve for x
    x = 288,192,060.32/26,871.33
  6. Step 6: Final answer
    x = 10,724.89

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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.