Home / 13,996.44-20,892.28-12,335.76

Finding the Fourth Proportional to 13,996.44, 20,892.28 and 12,335.76

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Solution

The fourth proportional to 13,996.44, 20,892.28 and 12,335.76 is: 18,413.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,996.44 : 20,892.28 = 12,335.76 : x
  2. Step 2: Convert to fraction form
    13,996.44/20,892.28 = 12,335.76/x
  3. Step 3: Cross multiply
    13,996.44x = 20,892.28 × 12,335.76
  4. Step 4: Simplify right side
    13,996.44x = 257,722,151.93
  5. Step 5: Solve for x
    x = 257,722,151.93/13,996.44
  6. Step 6: Final answer
    x = 18,413.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.