Home / 12,024.30-18,036.45-4,233.90

Finding the Fourth Proportional to 12,024.30, 18,036.45 and 4,233.90

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Solution

The fourth proportional to 12,024.30, 18,036.45 and 4,233.90 is: 6,350.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.30 : 18,036.45 = 4,233.90 : x
  2. Step 2: Convert to fraction form
    12,024.30/18,036.45 = 4,233.90/x
  3. Step 3: Cross multiply
    12,024.30x = 18,036.45 × 4,233.90
  4. Step 4: Simplify right side
    12,024.30x = 76,364,525.66
  5. Step 5: Solve for x
    x = 76,364,525.66/12,024.30
  6. Step 6: Final answer
    x = 6,350.85

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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.