Home / 15,943.89-23,889.41-11,240.97

Finding the Fourth Proportional to 15,943.89, 23,889.41 and 11,240.97

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Solution

The fourth proportional to 15,943.89, 23,889.41 and 11,240.97 is: 16,842.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,943.89 : 23,889.41 = 11,240.97 : x
  2. Step 2: Convert to fraction form
    15,943.89/23,889.41 = 11,240.97/x
  3. Step 3: Cross multiply
    15,943.89x = 23,889.41 × 11,240.97
  4. Step 4: Simplify right side
    15,943.89x = 268,540,141.13
  5. Step 5: Solve for x
    x = 268,540,141.13/15,943.89
  6. Step 6: Final answer
    x = 16,842.82

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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.