Home / 21,566.91-32,353.63-6,774.43

Finding the Fourth Proportional to 21,566.91, 32,353.63 and 6,774.43

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Solution

The fourth proportional to 21,566.91, 32,353.63 and 6,774.43 is: 10,162.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,566.91 : 32,353.63 = 6,774.43 : x
  2. Step 2: Convert to fraction form
    21,566.91/32,353.63 = 6,774.43/x
  3. Step 3: Cross multiply
    21,566.91x = 32,353.63 × 6,774.43
  4. Step 4: Simplify right side
    21,566.91x = 219,177,448.69
  5. Step 5: Solve for x
    x = 219,177,448.69/21,566.91
  6. Step 6: Final answer
    x = 10,162.68

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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.