Home / 19,972.85-27,562.67-11,020.68

Finding the Fourth Proportional to 19,972.85, 27,562.67 and 11,020.68

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Solution

The fourth proportional to 19,972.85, 27,562.67 and 11,020.68 is: 15,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,972.85 : 27,562.67 = 11,020.68 : x
  2. Step 2: Convert to fraction form
    19,972.85/27,562.67 = 11,020.68/x
  3. Step 3: Cross multiply
    19,972.85x = 27,562.67 × 11,020.68
  4. Step 4: Simplify right side
    19,972.85x = 303,759,393.57
  5. Step 5: Solve for x
    x = 303,759,393.57/19,972.85
  6. Step 6: Final answer
    x = 15,208.62

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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.