Home / 19,964.91-27,551.72-11,012.18

Finding the Fourth Proportional to 19,964.91, 27,551.72 and 11,012.18

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Solution

The fourth proportional to 19,964.91, 27,551.72 and 11,012.18 is: 15,196.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,964.91 : 27,551.72 = 11,012.18 : x
  2. Step 2: Convert to fraction form
    19,964.91/27,551.72 = 11,012.18/x
  3. Step 3: Cross multiply
    19,964.91x = 27,551.72 × 11,012.18
  4. Step 4: Simplify right side
    19,964.91x = 303,404,596.36
  5. Step 5: Solve for x
    x = 303,404,596.36/19,964.91
  6. Step 6: Final answer
    x = 15,196.89

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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.