Home / 19,972.59-27,562.33-11,020.43

Finding the Fourth Proportional to 19,972.59, 27,562.33 and 11,020.43

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Solution

The fourth proportional to 19,972.59, 27,562.33 and 11,020.43 is: 15,208.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.59 : 27,562.33 = 11,020.43 : x
  2. Step 2: Convert to fraction form
    19,972.59/27,562.33 = 11,020.43/x
  3. Step 3: Cross multiply
    19,972.59x = 27,562.33 × 11,020.43
  4. Step 4: Simplify right side
    19,972.59x = 303,748,535.49
  5. Step 5: Solve for x
    x = 303,748,535.49/19,972.59
  6. Step 6: Final answer
    x = 15,208.27

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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.