Home / 18,954.92-26,158.48-11,001.54

Finding the Fourth Proportional to 18,954.92, 26,158.48 and 11,001.54

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Solution

The fourth proportional to 18,954.92, 26,158.48 and 11,001.54 is: 15,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.92 : 26,158.48 = 11,001.54 : x
  2. Step 2: Convert to fraction form
    18,954.92/26,158.48 = 11,001.54/x
  3. Step 3: Cross multiply
    18,954.92x = 26,158.48 × 11,001.54
  4. Step 4: Simplify right side
    18,954.92x = 287,783,564.06
  5. Step 5: Solve for x
    x = 287,783,564.06/18,954.92
  6. Step 6: Final answer
    x = 15,182.53

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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.