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Finding the Fourth Proportional to 22,398.60, 30,904.84 and 13,444.48

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Solution

The fourth proportional to 22,398.60, 30,904.84 and 13,444.48 is: 18,550.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.60 : 30,904.84 = 13,444.48 : x
  2. Step 2: Convert to fraction form
    22,398.60/30,904.84 = 13,444.48/x
  3. Step 3: Cross multiply
    22,398.60x = 30,904.84 × 13,444.48
  4. Step 4: Simplify right side
    22,398.60x = 415,499,503.28
  5. Step 5: Solve for x
    x = 415,499,503.28/22,398.60
  6. Step 6: Final answer
    x = 18,550.24

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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.