Home / 19,701.67-27,187.48-11,202.61

Finding the Fourth Proportional to 19,701.67, 27,187.48 and 11,202.61

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Solution

The fourth proportional to 19,701.67, 27,187.48 and 11,202.61 is: 15,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,701.67 : 27,187.48 = 11,202.61 : x
  2. Step 2: Convert to fraction form
    19,701.67/27,187.48 = 11,202.61/x
  3. Step 3: Cross multiply
    19,701.67x = 27,187.48 × 11,202.61
  4. Step 4: Simplify right side
    19,701.67x = 304,570,735.32
  5. Step 5: Solve for x
    x = 304,570,735.32/19,701.67
  6. Step 6: Final answer
    x = 15,459.13

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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.