Home / 22,618.49-31,193.10-14,121.41

Finding the Fourth Proportional to 22,618.49, 31,193.10 and 14,121.41

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Solution

The fourth proportional to 22,618.49, 31,193.10 and 14,121.41 is: 19,474.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,618.49 : 31,193.10 = 14,121.41 : x
  2. Step 2: Convert to fraction form
    22,618.49/31,193.10 = 14,121.41/x
  3. Step 3: Cross multiply
    22,618.49x = 31,193.10 × 14,121.41
  4. Step 4: Simplify right side
    22,618.49x = 440,490,398.31
  5. Step 5: Solve for x
    x = 440,490,398.31/22,618.49
  6. Step 6: Final answer
    x = 19,474.79

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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.