Home / 19,693.46-27,182.60-11,200.16

Finding the Fourth Proportional to 19,693.46, 27,182.60 and 11,200.16

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Solution

The fourth proportional to 19,693.46, 27,182.60 and 11,200.16 is: 15,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,693.46 : 27,182.60 = 11,200.16 : x
  2. Step 2: Convert to fraction form
    19,693.46/27,182.60 = 11,200.16/x
  3. Step 3: Cross multiply
    19,693.46x = 27,182.60 × 11,200.16
  4. Step 4: Simplify right side
    19,693.46x = 304,449,413.22
  5. Step 5: Solve for x
    x = 304,449,413.22/19,693.46
  6. Step 6: Final answer
    x = 15,459.42

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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.