Home / 19,930.72-27,554.16-14,954.08

Finding the Fourth Proportional to 19,930.72, 27,554.16 and 14,954.08

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Solution

The fourth proportional to 19,930.72, 27,554.16 and 14,954.08 is: 20,673.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,930.72 : 27,554.16 = 14,954.08 : x
  2. Step 2: Convert to fraction form
    19,930.72/27,554.16 = 14,954.08/x
  3. Step 3: Cross multiply
    19,930.72x = 27,554.16 × 14,954.08
  4. Step 4: Simplify right side
    19,930.72x = 412,047,112.97
  5. Step 5: Solve for x
    x = 412,047,112.97/19,930.72
  6. Step 6: Final answer
    x = 20,673.97

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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.