Home / 18,261.57-27,395.39-6,412.27

Finding the Fourth Proportional to 18,261.57, 27,395.39 and 6,412.27

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Solution

The fourth proportional to 18,261.57, 27,395.39 and 6,412.27 is: 9,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.57 : 27,395.39 = 6,412.27 : x
  2. Step 2: Convert to fraction form
    18,261.57/27,395.39 = 6,412.27/x
  3. Step 3: Cross multiply
    18,261.57x = 27,395.39 × 6,412.27
  4. Step 4: Simplify right side
    18,261.57x = 175,666,637.44
  5. Step 5: Solve for x
    x = 175,666,637.44/18,261.57
  6. Step 6: Final answer
    x = 9,619.47

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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.