Home / 21,196.47-29,252.49-11,765.04

Finding the Fourth Proportional to 21,196.47, 29,252.49 and 11,765.04

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Solution

The fourth proportional to 21,196.47, 29,252.49 and 11,765.04 is: 16,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,196.47 : 29,252.49 = 11,765.04 : x
  2. Step 2: Convert to fraction form
    21,196.47/29,252.49 = 11,765.04/x
  3. Step 3: Cross multiply
    21,196.47x = 29,252.49 × 11,765.04
  4. Step 4: Simplify right side
    21,196.47x = 344,156,714.95
  5. Step 5: Solve for x
    x = 344,156,714.95/21,196.47
  6. Step 6: Final answer
    x = 16,236.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.