Home / 27,703.20-41,546.70-9,931.80

Finding the Fourth Proportional to 27,703.20, 41,546.70 and 9,931.80

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Solution

The fourth proportional to 27,703.20, 41,546.70 and 9,931.80 is: 14,894.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,703.20 : 41,546.70 = 9,931.80 : x
  2. Step 2: Convert to fraction form
    27,703.20/41,546.70 = 9,931.80/x
  3. Step 3: Cross multiply
    27,703.20x = 41,546.70 × 9,931.80
  4. Step 4: Simplify right side
    27,703.20x = 412,633,515.06
  5. Step 5: Solve for x
    x = 412,633,515.06/27,703.20
  6. Step 6: Final answer
    x = 14,894.80

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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.