Home / 26,643.05-39,964.57-7,923.01

Finding the Fourth Proportional to 26,643.05, 39,964.57 and 7,923.01

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Solution

The fourth proportional to 26,643.05, 39,964.57 and 7,923.01 is: 11,884.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.05 : 39,964.57 = 7,923.01 : x
  2. Step 2: Convert to fraction form
    26,643.05/39,964.57 = 7,923.01/x
  3. Step 3: Cross multiply
    26,643.05x = 39,964.57 × 7,923.01
  4. Step 4: Simplify right side
    26,643.05x = 316,639,687.76
  5. Step 5: Solve for x
    x = 316,639,687.76/26,643.05
  6. Step 6: Final answer
    x = 11,884.51

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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.