Home / 19,958.38-27,542.56-11,461.06

Finding the Fourth Proportional to 19,958.38, 27,542.56 and 11,461.06

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Solution

The fourth proportional to 19,958.38, 27,542.56 and 11,461.06 is: 15,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,958.38 : 27,542.56 = 11,461.06 : x
  2. Step 2: Convert to fraction form
    19,958.38/27,542.56 = 11,461.06/x
  3. Step 3: Cross multiply
    19,958.38x = 27,542.56 × 11,461.06
  4. Step 4: Simplify right side
    19,958.38x = 315,666,806.55
  5. Step 5: Solve for x
    x = 315,666,806.55/19,958.38
  6. Step 6: Final answer
    x = 15,816.25

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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.