Home / 18,567.07-27,854.66-7,474.12

Finding the Fourth Proportional to 18,567.07, 27,854.66 and 7,474.12

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Solution

The fourth proportional to 18,567.07, 27,854.66 and 7,474.12 is: 11,212.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.07 : 27,854.66 = 7,474.12 : x
  2. Step 2: Convert to fraction form
    18,567.07/27,854.66 = 7,474.12/x
  3. Step 3: Cross multiply
    18,567.07x = 27,854.66 × 7,474.12
  4. Step 4: Simplify right side
    18,567.07x = 208,189,034.03
  5. Step 5: Solve for x
    x = 208,189,034.03/18,567.07
  6. Step 6: Final answer
    x = 11,212.81

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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.