Home / 22,619.49-31,194.48-14,122.41

Finding the Fourth Proportional to 22,619.49, 31,194.48 and 14,122.41

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Solution

The fourth proportional to 22,619.49, 31,194.48 and 14,122.41 is: 19,476.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,619.49 : 31,194.48 = 14,122.41 : x
  2. Step 2: Convert to fraction form
    22,619.49/31,194.48 = 14,122.41/x
  3. Step 3: Cross multiply
    22,619.49x = 31,194.48 × 14,122.41
  4. Step 4: Simplify right side
    22,619.49x = 440,541,236.30
  5. Step 5: Solve for x
    x = 440,541,236.30/22,619.49
  6. Step 6: Final answer
    x = 19,476.18

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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.