Home / 18,116.55-27,174.83-9,368.55

Finding the Fourth Proportional to 18,116.55, 27,174.83 and 9,368.55

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Solution

The fourth proportional to 18,116.55, 27,174.83 and 9,368.55 is: 14,052.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,116.55 : 27,174.83 = 9,368.55 : x
  2. Step 2: Convert to fraction form
    18,116.55/27,174.83 = 9,368.55/x
  3. Step 3: Cross multiply
    18,116.55x = 27,174.83 × 9,368.55
  4. Step 4: Simplify right side
    18,116.55x = 254,588,706.75
  5. Step 5: Solve for x
    x = 254,588,706.75/18,116.55
  6. Step 6: Final answer
    x = 14,052.83

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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.