Home / 19,968.99-27,557.72-11,016.60

Finding the Fourth Proportional to 19,968.99, 27,557.72 and 11,016.60

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Solution

The fourth proportional to 19,968.99, 27,557.72 and 11,016.60 is: 15,203.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.99 : 27,557.72 = 11,016.60 : x
  2. Step 2: Convert to fraction form
    19,968.99/27,557.72 = 11,016.60/x
  3. Step 3: Cross multiply
    19,968.99x = 27,557.72 × 11,016.60
  4. Step 4: Simplify right side
    19,968.99x = 303,592,378.15
  5. Step 5: Solve for x
    x = 303,592,378.15/19,968.99
  6. Step 6: Final answer
    x = 15,203.19

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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.