Home / 18,231.42-25,159.37-9,847.92

Finding the Fourth Proportional to 18,231.42, 25,159.37 and 9,847.92

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Solution

The fourth proportional to 18,231.42, 25,159.37 and 9,847.92 is: 13,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.42 : 25,159.37 = 9,847.92 : x
  2. Step 2: Convert to fraction form
    18,231.42/25,159.37 = 9,847.92/x
  3. Step 3: Cross multiply
    18,231.42x = 25,159.37 × 9,847.92
  4. Step 4: Simplify right side
    18,231.42x = 247,767,413.77
  5. Step 5: Solve for x
    x = 247,767,413.77/18,231.42
  6. Step 6: Final answer
    x = 13,590.13

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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.