Home / 21,582.71-32,377.86-8,932.43

Finding the Fourth Proportional to 21,582.71, 32,377.86 and 8,932.43

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Solution

The fourth proportional to 21,582.71, 32,377.86 and 8,932.43 is: 13,400.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,582.71 : 32,377.86 = 8,932.43 : x
  2. Step 2: Convert to fraction form
    21,582.71/32,377.86 = 8,932.43/x
  3. Step 3: Cross multiply
    21,582.71x = 32,377.86 × 8,932.43
  4. Step 4: Simplify right side
    21,582.71x = 289,212,968.00
  5. Step 5: Solve for x
    x = 289,212,968.00/21,582.71
  6. Step 6: Final answer
    x = 13,400.22

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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.