Home / 19,969.43-27,557.81-11,016.95

Finding the Fourth Proportional to 19,969.43, 27,557.81 and 11,016.95

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Solution

The fourth proportional to 19,969.43, 27,557.81 and 11,016.95 is: 15,203.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.43 : 27,557.81 = 11,016.95 : x
  2. Step 2: Convert to fraction form
    19,969.43/27,557.81 = 11,016.95/x
  3. Step 3: Cross multiply
    19,969.43x = 27,557.81 × 11,016.95
  4. Step 4: Simplify right side
    19,969.43x = 303,602,966.66
  5. Step 5: Solve for x
    x = 303,602,966.66/19,969.43
  6. Step 6: Final answer
    x = 15,203.39

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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.