Home / 21,401.04-32,099.13-8,252.31

Finding the Fourth Proportional to 21,401.04, 32,099.13 and 8,252.31

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Solution

The fourth proportional to 21,401.04, 32,099.13 and 8,252.31 is: 12,377.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,401.04 : 32,099.13 = 8,252.31 : x
  2. Step 2: Convert to fraction form
    21,401.04/32,099.13 = 8,252.31/x
  3. Step 3: Cross multiply
    21,401.04x = 32,099.13 × 8,252.31
  4. Step 4: Simplify right side
    21,401.04x = 264,891,930.23
  5. Step 5: Solve for x
    x = 264,891,930.23/21,401.04
  6. Step 6: Final answer
    x = 12,377.53

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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.