Home / 21,803.16-32,723.42-8,664.75

Finding the Fourth Proportional to 21,803.16, 32,723.42 and 8,664.75

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Solution

The fourth proportional to 21,803.16, 32,723.42 and 8,664.75 is: 13,004.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,803.16 : 32,723.42 = 8,664.75 : x
  2. Step 2: Convert to fraction form
    21,803.16/32,723.42 = 8,664.75/x
  3. Step 3: Cross multiply
    21,803.16x = 32,723.42 × 8,664.75
  4. Step 4: Simplify right side
    21,803.16x = 283,540,210.12
  5. Step 5: Solve for x
    x = 283,540,210.12/21,803.16
  6. Step 6: Final answer
    x = 13,004.55

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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.