Home / 19,958.04-27,541.69-11,005.79

Finding the Fourth Proportional to 19,958.04, 27,541.69 and 11,005.79

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Solution

The fourth proportional to 19,958.04, 27,541.69 and 11,005.79 is: 15,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.04 : 27,541.69 = 11,005.79 : x
  2. Step 2: Convert to fraction form
    19,958.04/27,541.69 = 11,005.79/x
  3. Step 3: Cross multiply
    19,958.04x = 27,541.69 × 11,005.79
  4. Step 4: Simplify right side
    19,958.04x = 303,117,891.16
  5. Step 5: Solve for x
    x = 303,117,891.16/19,958.04
  6. Step 6: Final answer
    x = 15,187.76

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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.