Home / 18,982.47-26,193.87-11,026.38

Finding the Fourth Proportional to 18,982.47, 26,193.87 and 11,026.38

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Solution

The fourth proportional to 18,982.47, 26,193.87 and 11,026.38 is: 15,215.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,982.47 : 26,193.87 = 11,026.38 : x
  2. Step 2: Convert to fraction form
    18,982.47/26,193.87 = 11,026.38/x
  3. Step 3: Cross multiply
    18,982.47x = 26,193.87 × 11,026.38
  4. Step 4: Simplify right side
    18,982.47x = 288,823,564.29
  5. Step 5: Solve for x
    x = 288,823,564.29/18,982.47
  6. Step 6: Final answer
    x = 15,215.28

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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.