Home / 22,945.12-34,421.13-8,152.81

Finding the Fourth Proportional to 22,945.12, 34,421.13 and 8,152.81

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Solution

The fourth proportional to 22,945.12, 34,421.13 and 8,152.81 is: 12,230.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,945.12 : 34,421.13 = 8,152.81 : x
  2. Step 2: Convert to fraction form
    22,945.12/34,421.13 = 8,152.81/x
  3. Step 3: Cross multiply
    22,945.12x = 34,421.13 × 8,152.81
  4. Step 4: Simplify right side
    22,945.12x = 280,628,932.88
  5. Step 5: Solve for x
    x = 280,628,932.88/22,945.12
  6. Step 6: Final answer
    x = 12,230.44

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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.