Home / 21,897.23-32,822.33-11,356.70

Finding the Fourth Proportional to 21,897.23, 32,822.33 and 11,356.70

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Solution

The fourth proportional to 21,897.23, 32,822.33 and 11,356.70 is: 17,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,897.23 : 32,822.33 = 11,356.70 : x
  2. Step 2: Convert to fraction form
    21,897.23/32,822.33 = 11,356.70/x
  3. Step 3: Cross multiply
    21,897.23x = 32,822.33 × 11,356.70
  4. Step 4: Simplify right side
    21,897.23x = 372,753,134.22
  5. Step 5: Solve for x
    x = 372,753,134.22/21,897.23
  6. Step 6: Final answer
    x = 17,022.85

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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.