Home / 19,968.76-27,557.04-11,016.55

Finding the Fourth Proportional to 19,968.76, 27,557.04 and 11,016.55

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Solution

The fourth proportional to 19,968.76, 27,557.04 and 11,016.55 is: 15,202.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.76 : 27,557.04 = 11,016.55 : x
  2. Step 2: Convert to fraction form
    19,968.76/27,557.04 = 11,016.55/x
  3. Step 3: Cross multiply
    19,968.76x = 27,557.04 × 11,016.55
  4. Step 4: Simplify right side
    19,968.76x = 303,583,509.01
  5. Step 5: Solve for x
    x = 303,583,509.01/19,968.76
  6. Step 6: Final answer
    x = 15,202.92

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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.