Home / 21,442.66-32,167.10-6,652.76

Finding the Fourth Proportional to 21,442.66, 32,167.10 and 6,652.76

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Solution

The fourth proportional to 21,442.66, 32,167.10 and 6,652.76 is: 9,980.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,442.66 : 32,167.10 = 6,652.76 : x
  2. Step 2: Convert to fraction form
    21,442.66/32,167.10 = 6,652.76/x
  3. Step 3: Cross multiply
    21,442.66x = 32,167.10 × 6,652.76
  4. Step 4: Simplify right side
    21,442.66x = 213,999,851.99
  5. Step 5: Solve for x
    x = 213,999,851.99/21,442.66
  6. Step 6: Final answer
    x = 9,980.10

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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.