Home / 22,398.04-30,910.26-13,446.28

Finding the Fourth Proportional to 22,398.04, 30,910.26 and 13,446.28

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Solution

The fourth proportional to 22,398.04, 30,910.26 and 13,446.28 is: 18,556.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,398.04 : 30,910.26 = 13,446.28 : x
  2. Step 2: Convert to fraction form
    22,398.04/30,910.26 = 13,446.28/x
  3. Step 3: Cross multiply
    22,398.04x = 30,910.26 × 13,446.28
  4. Step 4: Simplify right side
    22,398.04x = 415,628,010.83
  5. Step 5: Solve for x
    x = 415,628,010.83/22,398.04
  6. Step 6: Final answer
    x = 18,556.45

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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.