Home / 27,635.93-38,107.46-18,667.86

Finding the Fourth Proportional to 27,635.93, 38,107.46 and 18,667.86

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Solution

The fourth proportional to 27,635.93, 38,107.46 and 18,667.86 is: 25,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,635.93 : 38,107.46 = 18,667.86 : x
  2. Step 2: Convert to fraction form
    27,635.93/38,107.46 = 18,667.86/x
  3. Step 3: Cross multiply
    27,635.93x = 38,107.46 × 18,667.86
  4. Step 4: Simplify right side
    27,635.93x = 711,384,774.91
  5. Step 5: Solve for x
    x = 711,384,774.91/27,635.93
  6. Step 6: Final answer
    x = 25,741.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.