Home / 19,974.24-27,564.42-11,021.74

Finding the Fourth Proportional to 19,974.24, 27,564.42 and 11,021.74

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Solution

The fourth proportional to 19,974.24, 27,564.42 and 11,021.74 is: 15,209.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,974.24 : 27,564.42 = 11,021.74 : x
  2. Step 2: Convert to fraction form
    19,974.24/27,564.42 = 11,021.74/x
  3. Step 3: Cross multiply
    19,974.24x = 27,564.42 × 11,021.74
  4. Step 4: Simplify right side
    19,974.24x = 303,807,870.49
  5. Step 5: Solve for x
    x = 303,807,870.49/19,974.24
  6. Step 6: Final answer
    x = 15,209.98

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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.