Home / 12,324.83-18,474.01-4,419.74

Finding the Fourth Proportional to 12,324.83, 18,474.01 and 4,419.74

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Solution

The fourth proportional to 12,324.83, 18,474.01 and 4,419.74 is: 6,624.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.83 : 18,474.01 = 4,419.74 : x
  2. Step 2: Convert to fraction form
    12,324.83/18,474.01 = 4,419.74/x
  3. Step 3: Cross multiply
    12,324.83x = 18,474.01 × 4,419.74
  4. Step 4: Simplify right side
    12,324.83x = 81,650,320.96
  5. Step 5: Solve for x
    x = 81,650,320.96/12,324.83
  6. Step 6: Final answer
    x = 6,624.86

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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.