Home / 22,585.62-31,173.12-13,159.62

Finding the Fourth Proportional to 22,585.62, 31,173.12 and 13,159.62

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Solution

The fourth proportional to 22,585.62, 31,173.12 and 13,159.62 is: 18,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,585.62 : 31,173.12 = 13,159.62 : x
  2. Step 2: Convert to fraction form
    22,585.62/31,173.12 = 13,159.62/x
  3. Step 3: Cross multiply
    22,585.62x = 31,173.12 × 13,159.62
  4. Step 4: Simplify right side
    22,585.62x = 410,226,413.41
  5. Step 5: Solve for x
    x = 410,226,413.41/22,585.62
  6. Step 6: Final answer
    x = 18,163.17

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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.