Home / 21,966.16-32,949.39-5,326.33

Finding the Fourth Proportional to 21,966.16, 32,949.39 and 5,326.33

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Solution

The fourth proportional to 21,966.16, 32,949.39 and 5,326.33 is: 7,989.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,966.16 : 32,949.39 = 5,326.33 : x
  2. Step 2: Convert to fraction form
    21,966.16/32,949.39 = 5,326.33/x
  3. Step 3: Cross multiply
    21,966.16x = 32,949.39 × 5,326.33
  4. Step 4: Simplify right side
    21,966.16x = 175,499,324.44
  5. Step 5: Solve for x
    x = 175,499,324.44/21,966.16
  6. Step 6: Final answer
    x = 7,989.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.