Home / 19,969.23-27,557.46-11,017.29

Finding the Fourth Proportional to 19,969.23, 27,557.46 and 11,017.29

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Solution

The fourth proportional to 19,969.23, 27,557.46 and 11,017.29 is: 15,203.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,969.23 : 27,557.46 = 11,017.29 : x
  2. Step 2: Convert to fraction form
    19,969.23/27,557.46 = 11,017.29/x
  3. Step 3: Cross multiply
    19,969.23x = 27,557.46 × 11,017.29
  4. Step 4: Simplify right side
    19,969.23x = 303,608,528.48
  5. Step 5: Solve for x
    x = 303,608,528.48/19,969.23
  6. Step 6: Final answer
    x = 15,203.82

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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.