Home / 21,771.06-32,671.17-7,730.52

Finding the Fourth Proportional to 21,771.06, 32,671.17 and 7,730.52

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Solution

The fourth proportional to 21,771.06, 32,671.17 and 7,730.52 is: 11,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,771.06 : 32,671.17 = 7,730.52 : x
  2. Step 2: Convert to fraction form
    21,771.06/32,671.17 = 7,730.52/x
  3. Step 3: Cross multiply
    21,771.06x = 32,671.17 × 7,730.52
  4. Step 4: Simplify right side
    21,771.06x = 252,565,133.11
  5. Step 5: Solve for x
    x = 252,565,133.11/21,771.06
  6. Step 6: Final answer
    x = 11,600.96

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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.