Home / 21,443.22-29,591.28-11,883.04

Finding the Fourth Proportional to 21,443.22, 29,591.28 and 11,883.04

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Solution

The fourth proportional to 21,443.22, 29,591.28 and 11,883.04 is: 16,398.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,443.22 : 29,591.28 = 11,883.04 : x
  2. Step 2: Convert to fraction form
    21,443.22/29,591.28 = 11,883.04/x
  3. Step 3: Cross multiply
    21,443.22x = 29,591.28 × 11,883.04
  4. Step 4: Simplify right side
    21,443.22x = 351,634,289.91
  5. Step 5: Solve for x
    x = 351,634,289.91/21,443.22
  6. Step 6: Final answer
    x = 16,398.39

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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.