Home / 22,685.76-33,990.24-13,902.36

Finding the Fourth Proportional to 22,685.76, 33,990.24 and 13,902.36

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Solution

The fourth proportional to 22,685.76, 33,990.24 and 13,902.36 is: 20,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,685.76 : 33,990.24 = 13,902.36 : x
  2. Step 2: Convert to fraction form
    22,685.76/33,990.24 = 13,902.36/x
  3. Step 3: Cross multiply
    22,685.76x = 33,990.24 × 13,902.36
  4. Step 4: Simplify right side
    22,685.76x = 472,544,552.97
  5. Step 5: Solve for x
    x = 472,544,552.97/22,685.76
  6. Step 6: Final answer
    x = 20,830.01

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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.