Home / 21,908.40-32,884.20-10,827.60

Finding the Fourth Proportional to 21,908.40, 32,884.20 and 10,827.60

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Solution

The fourth proportional to 21,908.40, 32,884.20 and 10,827.60 is: 16,252.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,908.40 : 32,884.20 = 10,827.60 : x
  2. Step 2: Convert to fraction form
    21,908.40/32,884.20 = 10,827.60/x
  3. Step 3: Cross multiply
    21,908.40x = 32,884.20 × 10,827.60
  4. Step 4: Simplify right side
    21,908.40x = 356,056,963.92
  5. Step 5: Solve for x
    x = 356,056,963.92/21,908.40
  6. Step 6: Final answer
    x = 16,252.08

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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.