Home / 22,628.49-31,233.66-13,676.52

Finding the Fourth Proportional to 22,628.49, 31,233.66 and 13,676.52

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Solution

The fourth proportional to 22,628.49, 31,233.66 and 13,676.52 is: 18,877.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,628.49 : 31,233.66 = 13,676.52 : x
  2. Step 2: Convert to fraction form
    22,628.49/31,233.66 = 13,676.52/x
  3. Step 3: Cross multiply
    22,628.49x = 31,233.66 × 13,676.52
  4. Step 4: Simplify right side
    22,628.49x = 427,167,775.66
  5. Step 5: Solve for x
    x = 427,167,775.66/22,628.49
  6. Step 6: Final answer
    x = 18,877.43

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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.