Home / 21,508.18-32,263.20-6,717.38

Finding the Fourth Proportional to 21,508.18, 32,263.20 and 6,717.38

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Solution

The fourth proportional to 21,508.18, 32,263.20 and 6,717.38 is: 10,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508.18 : 32,263.20 = 6,717.38 : x
  2. Step 2: Convert to fraction form
    21,508.18/32,263.20 = 6,717.38/x
  3. Step 3: Cross multiply
    21,508.18x = 32,263.20 × 6,717.38
  4. Step 4: Simplify right side
    21,508.18x = 216,724,174.42
  5. Step 5: Solve for x
    x = 216,724,174.42/21,508.18
  6. Step 6: Final answer
    x = 10,076.36

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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.