Home / 23,178.18-34,770.96-8,385.60

Finding the Fourth Proportional to 23,178.18, 34,770.96 and 8,385.60

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Solution

The fourth proportional to 23,178.18, 34,770.96 and 8,385.60 is: 12,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,178.18 : 34,770.96 = 8,385.60 : x
  2. Step 2: Convert to fraction form
    23,178.18/34,770.96 = 8,385.60/x
  3. Step 3: Cross multiply
    23,178.18x = 34,770.96 × 8,385.60
  4. Step 4: Simplify right side
    23,178.18x = 291,575,362.18
  5. Step 5: Solve for x
    x = 291,575,362.18/23,178.18
  6. Step 6: Final answer
    x = 12,579.73

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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.