Home / 18,906.54-26,089.14-10,951.32

Finding the Fourth Proportional to 18,906.54, 26,089.14 and 10,951.32

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Solution

The fourth proportional to 18,906.54, 26,089.14 and 10,951.32 is: 15,111.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,906.54 : 26,089.14 = 10,951.32 : x
  2. Step 2: Convert to fraction form
    18,906.54/26,089.14 = 10,951.32/x
  3. Step 3: Cross multiply
    18,906.54x = 26,089.14 × 10,951.32
  4. Step 4: Simplify right side
    18,906.54x = 285,710,520.66
  5. Step 5: Solve for x
    x = 285,710,520.66/18,906.54
  6. Step 6: Final answer
    x = 15,111.73

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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.