Home / 20,620.08-30,924.60-5,825.52

Finding the Fourth Proportional to 20,620.08, 30,924.60 and 5,825.52

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Solution

The fourth proportional to 20,620.08, 30,924.60 and 5,825.52 is: 8,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,620.08 : 30,924.60 = 5,825.52 : x
  2. Step 2: Convert to fraction form
    20,620.08/30,924.60 = 5,825.52/x
  3. Step 3: Cross multiply
    20,620.08x = 30,924.60 × 5,825.52
  4. Step 4: Simplify right side
    20,620.08x = 180,151,875.79
  5. Step 5: Solve for x
    x = 180,151,875.79/20,620.08
  6. Step 6: Final answer
    x = 8,736.72

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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.