Home / 22,599.82-31,188.68-13,042.63

Finding the Fourth Proportional to 22,599.82, 31,188.68 and 13,042.63

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Solution

The fourth proportional to 22,599.82, 31,188.68 and 13,042.63 is: 17,999.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,599.82 : 31,188.68 = 13,042.63 : x
  2. Step 2: Convert to fraction form
    22,599.82/31,188.68 = 13,042.63/x
  3. Step 3: Cross multiply
    22,599.82x = 31,188.68 × 13,042.63
  4. Step 4: Simplify right side
    22,599.82x = 406,782,413.43
  5. Step 5: Solve for x
    x = 406,782,413.43/22,599.82
  6. Step 6: Final answer
    x = 17,999.37

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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.