Home / 13,582.88-20,350.56-9,425.52

Finding the Fourth Proportional to 13,582.88, 20,350.56 and 9,425.52

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Solution

The fourth proportional to 13,582.88, 20,350.56 and 9,425.52 is: 14,121.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,582.88 : 20,350.56 = 9,425.52 : x
  2. Step 2: Convert to fraction form
    13,582.88/20,350.56 = 9,425.52/x
  3. Step 3: Cross multiply
    13,582.88x = 20,350.56 × 9,425.52
  4. Step 4: Simplify right side
    13,582.88x = 191,814,610.29
  5. Step 5: Solve for x
    x = 191,814,610.29/13,582.88
  6. Step 6: Final answer
    x = 14,121.80

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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.