Home / 20,252.98-30,358.62-7,769.68

Finding the Fourth Proportional to 20,252.98, 30,358.62 and 7,769.68

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Solution

The fourth proportional to 20,252.98, 30,358.62 and 7,769.68 is: 11,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,252.98 : 30,358.62 = 7,769.68 : x
  2. Step 2: Convert to fraction form
    20,252.98/30,358.62 = 7,769.68/x
  3. Step 3: Cross multiply
    20,252.98x = 30,358.62 × 7,769.68
  4. Step 4: Simplify right side
    20,252.98x = 235,876,762.64
  5. Step 5: Solve for x
    x = 235,876,762.64/20,252.98
  6. Step 6: Final answer
    x = 11,646.52

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1.5x scale

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.