Home / 21,932.22-32,898.30-7,141.11

Finding the Fourth Proportional to 21,932.22, 32,898.30 and 7,141.11

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Solution

The fourth proportional to 21,932.22, 32,898.30 and 7,141.11 is: 10,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.22 : 32,898.30 = 7,141.11 : x
  2. Step 2: Convert to fraction form
    21,932.22/32,898.30 = 7,141.11/x
  3. Step 3: Cross multiply
    21,932.22x = 32,898.30 × 7,141.11
  4. Step 4: Simplify right side
    21,932.22x = 234,930,454.19
  5. Step 5: Solve for x
    x = 234,930,454.19/21,932.22
  6. Step 6: Final answer
    x = 10,711.66

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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.