Home / 22,918.20-34,379.10-9,770.67

Finding the Fourth Proportional to 22,918.20, 34,379.10 and 9,770.67

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Solution

The fourth proportional to 22,918.20, 34,379.10 and 9,770.67 is: 14,656.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,918.20 : 34,379.10 = 9,770.67 : x
  2. Step 2: Convert to fraction form
    22,918.20/34,379.10 = 9,770.67/x
  3. Step 3: Cross multiply
    22,918.20x = 34,379.10 × 9,770.67
  4. Step 4: Simplify right side
    22,918.20x = 335,906,841.00
  5. Step 5: Solve for x
    x = 335,906,841.00/22,918.20
  6. Step 6: Final answer
    x = 14,656.77

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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.