Home / 21,467.60-32,197.75-5,672.81

Finding the Fourth Proportional to 21,467.60, 32,197.75 and 5,672.81

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Solution

The fourth proportional to 21,467.60, 32,197.75 and 5,672.81 is: 8,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,467.60 : 32,197.75 = 5,672.81 : x
  2. Step 2: Convert to fraction form
    21,467.60/32,197.75 = 5,672.81/x
  3. Step 3: Cross multiply
    21,467.60x = 32,197.75 × 5,672.81
  4. Step 4: Simplify right side
    21,467.60x = 182,651,718.18
  5. Step 5: Solve for x
    x = 182,651,718.18/21,467.60
  6. Step 6: Final answer
    x = 8,508.25

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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.