Home / 25,768.04-38,649.62-8,234.78

Finding the Fourth Proportional to 25,768.04, 38,649.62 and 8,234.78

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Solution

The fourth proportional to 25,768.04, 38,649.62 and 8,234.78 is: 12,351.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,768.04 : 38,649.62 = 8,234.78 : x
  2. Step 2: Convert to fraction form
    25,768.04/38,649.62 = 8,234.78/x
  3. Step 3: Cross multiply
    25,768.04x = 38,649.62 × 8,234.78
  4. Step 4: Simplify right side
    25,768.04x = 318,271,117.78
  5. Step 5: Solve for x
    x = 318,271,117.78/25,768.04
  6. Step 6: Final answer
    x = 12,351.39

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Half scale
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Double scale
Find fourth proportional to 25,769.04, 38,651.12 and 8,235.78
Similar ratio
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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.