Home / 21,996.90-32,995.42-5,356.94

Finding the Fourth Proportional to 21,996.90, 32,995.42 and 5,356.94

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Solution

The fourth proportional to 21,996.90, 32,995.42 and 5,356.94 is: 8,035.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,996.90 : 32,995.42 = 5,356.94 : x
  2. Step 2: Convert to fraction form
    21,996.90/32,995.42 = 5,356.94/x
  3. Step 3: Cross multiply
    21,996.90x = 32,995.42 × 5,356.94
  4. Step 4: Simplify right side
    21,996.90x = 176,754,306.85
  5. Step 5: Solve for x
    x = 176,754,306.85/21,996.90
  6. Step 6: Final answer
    x = 8,035.42

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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.