Home / 18,600.82-27,868.40-9,816.36

Finding the Fourth Proportional to 18,600.82, 27,868.40 and 9,816.36

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Solution

The fourth proportional to 18,600.82, 27,868.40 and 9,816.36 is: 14,707.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.82 : 27,868.40 = 9,816.36 : x
  2. Step 2: Convert to fraction form
    18,600.82/27,868.40 = 9,816.36/x
  3. Step 3: Cross multiply
    18,600.82x = 27,868.40 × 9,816.36
  4. Step 4: Simplify right side
    18,600.82x = 273,566,247.02
  5. Step 5: Solve for x
    x = 273,566,247.02/18,600.82
  6. Step 6: Final answer
    x = 14,707.21

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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.