Home / 27,920.31-41,883.21-9,192.72

Finding the Fourth Proportional to 27,920.31, 41,883.21 and 9,192.72

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Solution

The fourth proportional to 27,920.31, 41,883.21 and 9,192.72 is: 13,789.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,920.31 : 41,883.21 = 9,192.72 : x
  2. Step 2: Convert to fraction form
    27,920.31/41,883.21 = 9,192.72/x
  3. Step 3: Cross multiply
    27,920.31x = 41,883.21 × 9,192.72
  4. Step 4: Simplify right side
    27,920.31x = 385,020,622.23
  5. Step 5: Solve for x
    x = 385,020,622.23/27,920.31
  6. Step 6: Final answer
    x = 13,789.98

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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.