Home / 55,728.82-83,592.94-13,609.14

Finding the Fourth Proportional to 55,728.82, 83,592.94 and 13,609.14

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Solution

The fourth proportional to 55,728.82, 83,592.94 and 13,609.14 is: 20,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,728.82 : 83,592.94 = 13,609.14 : x
  2. Step 2: Convert to fraction form
    55,728.82/83,592.94 = 13,609.14/x
  3. Step 3: Cross multiply
    55,728.82x = 83,592.94 × 13,609.14
  4. Step 4: Simplify right side
    55,728.82x = 1,137,628,023.47
  5. Step 5: Solve for x
    x = 1,137,628,023.47/55,728.82
  6. Step 6: Final answer
    x = 20,413.64

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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.