Home / 19,968.15-27,555.71-11,016.51

Finding the Fourth Proportional to 19,968.15, 27,555.71 and 11,016.51

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Solution

The fourth proportional to 19,968.15, 27,555.71 and 11,016.51 is: 15,202.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,968.15 : 27,555.71 = 11,016.51 : x
  2. Step 2: Convert to fraction form
    19,968.15/27,555.71 = 11,016.51/x
  3. Step 3: Cross multiply
    19,968.15x = 27,555.71 × 11,016.51
  4. Step 4: Simplify right side
    19,968.15x = 303,567,699.69
  5. Step 5: Solve for x
    x = 303,567,699.69/19,968.15
  6. Step 6: Final answer
    x = 15,202.60

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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.