Home / 23,133.69-34,679.68-8,332.20

Finding the Fourth Proportional to 23,133.69, 34,679.68 and 8,332.20

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Solution

The fourth proportional to 23,133.69, 34,679.68 and 8,332.20 is: 12,490.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133.69 : 34,679.68 = 8,332.20 : x
  2. Step 2: Convert to fraction form
    23,133.69/34,679.68 = 8,332.20/x
  3. Step 3: Cross multiply
    23,133.69x = 34,679.68 × 8,332.20
  4. Step 4: Simplify right side
    23,133.69x = 288,958,029.70
  5. Step 5: Solve for x
    x = 288,958,029.70/23,133.69
  6. Step 6: Final answer
    x = 12,490.79

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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.