Home / 18,110.98-27,175.70-8,759.01

Finding the Fourth Proportional to 18,110.98, 27,175.70 and 8,759.01

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Solution

The fourth proportional to 18,110.98, 27,175.70 and 8,759.01 is: 13,142.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.98 : 27,175.70 = 8,759.01 : x
  2. Step 2: Convert to fraction form
    18,110.98/27,175.70 = 8,759.01/x
  3. Step 3: Cross multiply
    18,110.98x = 27,175.70 × 8,759.01
  4. Step 4: Simplify right side
    18,110.98x = 238,032,228.06
  5. Step 5: Solve for x
    x = 238,032,228.06/18,110.98
  6. Step 6: Final answer
    x = 13,142.98

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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.