Home / 12,344.60-18,518.83-4,022.68

Finding the Fourth Proportional to 12,344.60, 18,518.83 and 4,022.68

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Solution

The fourth proportional to 12,344.60, 18,518.83 and 4,022.68 is: 6,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,344.60 : 18,518.83 = 4,022.68 : x
  2. Step 2: Convert to fraction form
    12,344.60/18,518.83 = 4,022.68/x
  3. Step 3: Cross multiply
    12,344.60x = 18,518.83 × 4,022.68
  4. Step 4: Simplify right side
    12,344.60x = 74,495,327.06
  5. Step 5: Solve for x
    x = 74,495,327.06/12,344.60
  6. Step 6: Final answer
    x = 6,034.65

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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.