Home / 18,012.20-24,840.06-11,951.76

Finding the Fourth Proportional to 18,012.20, 24,840.06 and 11,951.76

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Solution

The fourth proportional to 18,012.20, 24,840.06 and 11,951.76 is: 16,482.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.20 : 24,840.06 = 11,951.76 : x
  2. Step 2: Convert to fraction form
    18,012.20/24,840.06 = 11,951.76/x
  3. Step 3: Cross multiply
    18,012.20x = 24,840.06 × 11,951.76
  4. Step 4: Simplify right side
    18,012.20x = 296,882,435.51
  5. Step 5: Solve for x
    x = 296,882,435.51/18,012.20
  6. Step 6: Final answer
    x = 16,482.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.