Home / 22,889.88-31,592.94-13,940.28

Finding the Fourth Proportional to 22,889.88, 31,592.94 and 13,940.28

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Solution

The fourth proportional to 22,889.88, 31,592.94 and 13,940.28 is: 19,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,889.88 : 31,592.94 = 13,940.28 : x
  2. Step 2: Convert to fraction form
    22,889.88/31,592.94 = 13,940.28/x
  3. Step 3: Cross multiply
    22,889.88x = 31,592.94 × 13,940.28
  4. Step 4: Simplify right side
    22,889.88x = 440,414,429.62
  5. Step 5: Solve for x
    x = 440,414,429.62/22,889.88
  6. Step 6: Final answer
    x = 19,240.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.