Home / 18,961.06-26,164.47-11,001.46

Finding the Fourth Proportional to 18,961.06, 26,164.47 and 11,001.46

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Solution

The fourth proportional to 18,961.06, 26,164.47 and 11,001.46 is: 15,180.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,961.06 : 26,164.47 = 11,001.46 : x
  2. Step 2: Convert to fraction form
    18,961.06/26,164.47 = 11,001.46/x
  3. Step 3: Cross multiply
    18,961.06x = 26,164.47 × 11,001.46
  4. Step 4: Simplify right side
    18,961.06x = 287,847,370.13
  5. Step 5: Solve for x
    x = 287,847,370.13/18,961.06
  6. Step 6: Final answer
    x = 15,180.97

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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.