Home / 18,178.48-27,116.31-17,877.43

Finding the Fourth Proportional to 18,178.48, 27,116.31 and 17,877.43

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Solution

The fourth proportional to 18,178.48, 27,116.31 and 17,877.43 is: 26,667.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,178.48 : 27,116.31 = 17,877.43 : x
  2. Step 2: Convert to fraction form
    18,178.48/27,116.31 = 17,877.43/x
  3. Step 3: Cross multiply
    18,178.48x = 27,116.31 × 17,877.43
  4. Step 4: Simplify right side
    18,178.48x = 484,769,933.88
  5. Step 5: Solve for x
    x = 484,769,933.88/18,178.48
  6. Step 6: Final answer
    x = 26,667.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.