Home / 21,874.14-32,827.95-11,352.78

Finding the Fourth Proportional to 21,874.14, 32,827.95 and 11,352.78

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Solution

The fourth proportional to 21,874.14, 32,827.95 and 11,352.78 is: 17,037.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,874.14 : 32,827.95 = 11,352.78 : x
  2. Step 2: Convert to fraction form
    21,874.14/32,827.95 = 11,352.78/x
  3. Step 3: Cross multiply
    21,874.14x = 32,827.95 × 11,352.78
  4. Step 4: Simplify right side
    21,874.14x = 372,688,494.20
  5. Step 5: Solve for x
    x = 372,688,494.20/21,874.14
  6. Step 6: Final answer
    x = 17,037.86

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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.