Home / 20,251.52-30,383.93-9,582.45

Finding the Fourth Proportional to 20,251.52, 30,383.93 and 9,582.45

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Solution

The fourth proportional to 20,251.52, 30,383.93 and 9,582.45 is: 14,376.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,251.52 : 30,383.93 = 9,582.45 : x
  2. Step 2: Convert to fraction form
    20,251.52/30,383.93 = 9,582.45/x
  3. Step 3: Cross multiply
    20,251.52x = 30,383.93 × 9,582.45
  4. Step 4: Simplify right side
    20,251.52x = 291,152,627.92
  5. Step 5: Solve for x
    x = 291,152,627.92/20,251.52
  6. Step 6: Final answer
    x = 14,376.83

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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.