Home / 18,585.73-25,669.60-12,240.68

Finding the Fourth Proportional to 18,585.73, 25,669.60 and 12,240.68

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Solution

The fourth proportional to 18,585.73, 25,669.60 and 12,240.68 is: 16,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.73 : 25,669.60 = 12,240.68 : x
  2. Step 2: Convert to fraction form
    18,585.73/25,669.60 = 12,240.68/x
  3. Step 3: Cross multiply
    18,585.73x = 25,669.60 × 12,240.68
  4. Step 4: Simplify right side
    18,585.73x = 314,213,230.98
  5. Step 5: Solve for x
    x = 314,213,230.98/18,585.73
  6. Step 6: Final answer
    x = 16,906.16

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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.