Home / 19,964.71-27,551.46-11,012.51

Finding the Fourth Proportional to 19,964.71, 27,551.46 and 11,012.51

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Solution

The fourth proportional to 19,964.71, 27,551.46 and 11,012.51 is: 15,197.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.71 : 27,551.46 = 11,012.51 : x
  2. Step 2: Convert to fraction form
    19,964.71/27,551.46 = 11,012.51/x
  3. Step 3: Cross multiply
    19,964.71x = 27,551.46 × 11,012.51
  4. Step 4: Simplify right side
    19,964.71x = 303,410,728.76
  5. Step 5: Solve for x
    x = 303,410,728.76/19,964.71
  6. Step 6: Final answer
    x = 15,197.36

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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.