Home / 18,460.24-27,686.22-5,309.68

Finding the Fourth Proportional to 18,460.24, 27,686.22 and 5,309.68

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Solution

The fourth proportional to 18,460.24, 27,686.22 and 5,309.68 is: 7,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.24 : 27,686.22 = 5,309.68 : x
  2. Step 2: Convert to fraction form
    18,460.24/27,686.22 = 5,309.68/x
  3. Step 3: Cross multiply
    18,460.24x = 27,686.22 × 5,309.68
  4. Step 4: Simplify right side
    18,460.24x = 147,004,968.61
  5. Step 5: Solve for x
    x = 147,004,968.61/18,460.24
  6. Step 6: Final answer
    x = 7,963.33

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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.