Home / 21,687.97-32,531.51-6,896.92

Finding the Fourth Proportional to 21,687.97, 32,531.51 and 6,896.92

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Solution

The fourth proportional to 21,687.97, 32,531.51 and 6,896.92 is: 10,345.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,687.97 : 32,531.51 = 6,896.92 : x
  2. Step 2: Convert to fraction form
    21,687.97/32,531.51 = 6,896.92/x
  3. Step 3: Cross multiply
    21,687.97x = 32,531.51 × 6,896.92
  4. Step 4: Simplify right side
    21,687.97x = 224,367,187.46
  5. Step 5: Solve for x
    x = 224,367,187.46/21,687.97
  6. Step 6: Final answer
    x = 10,345.24

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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.