Home / 22,904.97-31,608.20-13,346.97

Finding the Fourth Proportional to 22,904.97, 31,608.20 and 13,346.97

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Solution

The fourth proportional to 22,904.97, 31,608.20 and 13,346.97 is: 18,418.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,904.97 : 31,608.20 = 13,346.97 : x
  2. Step 2: Convert to fraction form
    22,904.97/31,608.20 = 13,346.97/x
  3. Step 3: Cross multiply
    22,904.97x = 31,608.20 × 13,346.97
  4. Step 4: Simplify right side
    22,904.97x = 421,873,730.52
  5. Step 5: Solve for x
    x = 421,873,730.52/22,904.97
  6. Step 6: Final answer
    x = 18,418.44

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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.