Home / 22,481.47-31,026.54-16,806.39

Finding the Fourth Proportional to 22,481.47, 31,026.54 and 16,806.39

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Solution

The fourth proportional to 22,481.47, 31,026.54 and 16,806.39 is: 23,194.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,481.47 : 31,026.54 = 16,806.39 : x
  2. Step 2: Convert to fraction form
    22,481.47/31,026.54 = 16,806.39/x
  3. Step 3: Cross multiply
    22,481.47x = 31,026.54 × 16,806.39
  4. Step 4: Simplify right side
    22,481.47x = 521,444,131.59
  5. Step 5: Solve for x
    x = 521,444,131.59/22,481.47
  6. Step 6: Final answer
    x = 23,194.40

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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.