Home / 21,591.76-32,388.12-11,197.84

Finding the Fourth Proportional to 21,591.76, 32,388.12 and 11,197.84

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Solution

The fourth proportional to 21,591.76, 32,388.12 and 11,197.84 is: 16,797.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,591.76 : 32,388.12 = 11,197.84 : x
  2. Step 2: Convert to fraction form
    21,591.76/32,388.12 = 11,197.84/x
  3. Step 3: Cross multiply
    21,591.76x = 32,388.12 × 11,197.84
  4. Step 4: Simplify right side
    21,591.76x = 362,676,985.66
  5. Step 5: Solve for x
    x = 362,676,985.66/21,591.76
  6. Step 6: Final answer
    x = 16,797.01

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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.