Home / 18,093.16-27,140-5,613.04

Finding the Fourth Proportional to 18,093.16, 27,140 and 5,613.04

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Solution

The fourth proportional to 18,093.16, 27,140 and 5,613.04 is: 8,419.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,093.16 : 27,140 = 5,613.04 : x
  2. Step 2: Convert to fraction form
    18,093.16/27,140 = 5,613.04/x
  3. Step 3: Cross multiply
    18,093.16x = 27,140 × 5,613.04
  4. Step 4: Simplify right side
    18,093.16x = 152,337,905.60
  5. Step 5: Solve for x
    x = 152,337,905.60/18,093.16
  6. Step 6: Final answer
    x = 8,419.64

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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.