Home / 18,370.19-27,567.54-11,801.09

Finding the Fourth Proportional to 18,370.19, 27,567.54 and 11,801.09

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Solution

The fourth proportional to 18,370.19, 27,567.54 and 11,801.09 is: 17,709.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,370.19 : 27,567.54 = 11,801.09 : x
  2. Step 2: Convert to fraction form
    18,370.19/27,567.54 = 11,801.09/x
  3. Step 3: Cross multiply
    18,370.19x = 27,567.54 × 11,801.09
  4. Step 4: Simplify right side
    18,370.19x = 325,327,089.54
  5. Step 5: Solve for x
    x = 325,327,089.54/18,370.19
  6. Step 6: Final answer
    x = 17,709.51

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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.