Home / 18,447.36-27,675.14-5,298.72

Finding the Fourth Proportional to 18,447.36, 27,675.14 and 5,298.72

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Solution

The fourth proportional to 18,447.36, 27,675.14 and 5,298.72 is: 7,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,447.36 : 27,675.14 = 5,298.72 : x
  2. Step 2: Convert to fraction form
    18,447.36/27,675.14 = 5,298.72/x
  3. Step 3: Cross multiply
    18,447.36x = 27,675.14 × 5,298.72
  4. Step 4: Simplify right side
    18,447.36x = 146,642,791.33
  5. Step 5: Solve for x
    x = 146,642,791.33/18,447.36
  6. Step 6: Final answer
    x = 7,949.26

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1.5x scale

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.