Home / 26,719.21-40,084.28-9,186.76

Finding the Fourth Proportional to 26,719.21, 40,084.28 and 9,186.76

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Solution

The fourth proportional to 26,719.21, 40,084.28 and 9,186.76 is: 13,782.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,719.21 : 40,084.28 = 9,186.76 : x
  2. Step 2: Convert to fraction form
    26,719.21/40,084.28 = 9,186.76/x
  3. Step 3: Cross multiply
    26,719.21x = 40,084.28 × 9,186.76
  4. Step 4: Simplify right side
    26,719.21x = 368,244,413.78
  5. Step 5: Solve for x
    x = 368,244,413.78/26,719.21
  6. Step 6: Final answer
    x = 13,782.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.