Home / 20,232.30-30,340.74-6,188.04

Finding the Fourth Proportional to 20,232.30, 30,340.74 and 6,188.04

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Solution

The fourth proportional to 20,232.30, 30,340.74 and 6,188.04 is: 9,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,232.30 : 30,340.74 = 6,188.04 : x
  2. Step 2: Convert to fraction form
    20,232.30/30,340.74 = 6,188.04/x
  3. Step 3: Cross multiply
    20,232.30x = 30,340.74 × 6,188.04
  4. Step 4: Simplify right side
    20,232.30x = 187,749,712.75
  5. Step 5: Solve for x
    x = 187,749,712.75/20,232.30
  6. Step 6: Final answer
    x = 9,279.70

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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.