Home / 21,519.10-32,282.29-6,725.11

Finding the Fourth Proportional to 21,519.10, 32,282.29 and 6,725.11

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Solution

The fourth proportional to 21,519.10, 32,282.29 and 6,725.11 is: 10,088.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,519.10 : 32,282.29 = 6,725.11 : x
  2. Step 2: Convert to fraction form
    21,519.10/32,282.29 = 6,725.11/x
  3. Step 3: Cross multiply
    21,519.10x = 32,282.29 × 6,725.11
  4. Step 4: Simplify right side
    21,519.10x = 217,101,951.30
  5. Step 5: Solve for x
    x = 217,101,951.30/21,519.10
  6. Step 6: Final answer
    x = 10,088.80

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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.