Home / 19,972.83-27,562.30-11,020.40

Finding the Fourth Proportional to 19,972.83, 27,562.30 and 11,020.40

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Solution

The fourth proportional to 19,972.83, 27,562.30 and 11,020.40 is: 15,208.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.83 : 27,562.30 = 11,020.40 : x
  2. Step 2: Convert to fraction form
    19,972.83/27,562.30 = 11,020.40/x
  3. Step 3: Cross multiply
    19,972.83x = 27,562.30 × 11,020.40
  4. Step 4: Simplify right side
    19,972.83x = 303,747,570.92
  5. Step 5: Solve for x
    x = 303,747,570.92/19,972.83
  6. Step 6: Final answer
    x = 15,208.04

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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.