Home / 18,902.48-26,088.66-10,949.60

Finding the Fourth Proportional to 18,902.48, 26,088.66 and 10,949.60

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Solution

The fourth proportional to 18,902.48, 26,088.66 and 10,949.60 is: 15,112.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.48 : 26,088.66 = 10,949.60 : x
  2. Step 2: Convert to fraction form
    18,902.48/26,088.66 = 10,949.60/x
  3. Step 3: Cross multiply
    18,902.48x = 26,088.66 × 10,949.60
  4. Step 4: Simplify right side
    18,902.48x = 285,660,391.54
  5. Step 5: Solve for x
    x = 285,660,391.54/18,902.48
  6. Step 6: Final answer
    x = 15,112.32

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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.