Home / 18,066.14-27,103.19-5,415.39

Finding the Fourth Proportional to 18,066.14, 27,103.19 and 5,415.39

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Solution

The fourth proportional to 18,066.14, 27,103.19 and 5,415.39 is: 8,124.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,066.14 : 27,103.19 = 5,415.39 : x
  2. Step 2: Convert to fraction form
    18,066.14/27,103.19 = 5,415.39/x
  3. Step 3: Cross multiply
    18,066.14x = 27,103.19 × 5,415.39
  4. Step 4: Simplify right side
    18,066.14x = 146,774,317.02
  5. Step 5: Solve for x
    x = 146,774,317.02/18,066.14
  6. Step 6: Final answer
    x = 8,124.28

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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.