Home / 18,354.89-25,327.32-11,628.65

Finding the Fourth Proportional to 18,354.89, 25,327.32 and 11,628.65

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Solution

The fourth proportional to 18,354.89, 25,327.32 and 11,628.65 is: 16,046.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,354.89 : 25,327.32 = 11,628.65 : x
  2. Step 2: Convert to fraction form
    18,354.89/25,327.32 = 11,628.65/x
  3. Step 3: Cross multiply
    18,354.89x = 25,327.32 × 11,628.65
  4. Step 4: Simplify right side
    18,354.89x = 294,522,413.08
  5. Step 5: Solve for x
    x = 294,522,413.08/18,354.89
  6. Step 6: Final answer
    x = 16,046.00

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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.