Home / 26,346.32-39,516.60-7,874

Finding the Fourth Proportional to 26,346.32, 39,516.60 and 7,874

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Solution

The fourth proportional to 26,346.32, 39,516.60 and 7,874 is: 11,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,346.32 : 39,516.60 = 7,874 : x
  2. Step 2: Convert to fraction form
    26,346.32/39,516.60 = 7,874/x
  3. Step 3: Cross multiply
    26,346.32x = 39,516.60 × 7,874
  4. Step 4: Simplify right side
    26,346.32x = 311,153,708.40
  5. Step 5: Solve for x
    x = 311,153,708.40/26,346.32
  6. Step 6: Final answer
    x = 11,810.14

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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.