Home / 21,834.14-32,723.80-9,339.47

Finding the Fourth Proportional to 21,834.14, 32,723.80 and 9,339.47

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Solution

The fourth proportional to 21,834.14, 32,723.80 and 9,339.47 is: 13,997.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,834.14 : 32,723.80 = 9,339.47 : x
  2. Step 2: Convert to fraction form
    21,834.14/32,723.80 = 9,339.47/x
  3. Step 3: Cross multiply
    21,834.14x = 32,723.80 × 9,339.47
  4. Step 4: Simplify right side
    21,834.14x = 305,623,006.85
  5. Step 5: Solve for x
    x = 305,623,006.85/21,834.14
  6. Step 6: Final answer
    x = 13,997.49

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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.