Home / 22,388.64-30,896.48-13,443.84

Finding the Fourth Proportional to 22,388.64, 30,896.48 and 13,443.84

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Solution

The fourth proportional to 22,388.64, 30,896.48 and 13,443.84 is: 18,552.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,388.64 : 30,896.48 = 13,443.84 : x
  2. Step 2: Convert to fraction form
    22,388.64/30,896.48 = 13,443.84/x
  3. Step 3: Cross multiply
    22,388.64x = 30,896.48 × 13,443.84
  4. Step 4: Simplify right side
    22,388.64x = 415,367,333.68
  5. Step 5: Solve for x
    x = 415,367,333.68/22,388.64
  6. Step 6: Final answer
    x = 18,552.59

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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.