Home / 21,363.48-32,046.90-7,330.20

Finding the Fourth Proportional to 21,363.48, 32,046.90 and 7,330.20

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Solution

The fourth proportional to 21,363.48, 32,046.90 and 7,330.20 is: 10,995.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,363.48 : 32,046.90 = 7,330.20 : x
  2. Step 2: Convert to fraction form
    21,363.48/32,046.90 = 7,330.20/x
  3. Step 3: Cross multiply
    21,363.48x = 32,046.90 × 7,330.20
  4. Step 4: Simplify right side
    21,363.48x = 234,910,186.38
  5. Step 5: Solve for x
    x = 234,910,186.38/21,363.48
  6. Step 6: Final answer
    x = 10,995.88

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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.