Home / 19,772.56-27,270.76-11,813.04

Finding the Fourth Proportional to 19,772.56, 27,270.76 and 11,813.04

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Solution

The fourth proportional to 19,772.56, 27,270.76 and 11,813.04 is: 16,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,772.56 : 27,270.76 = 11,813.04 : x
  2. Step 2: Convert to fraction form
    19,772.56/27,270.76 = 11,813.04/x
  3. Step 3: Cross multiply
    19,772.56x = 27,270.76 × 11,813.04
  4. Step 4: Simplify right side
    19,772.56x = 322,150,578.71
  5. Step 5: Solve for x
    x = 322,150,578.71/19,772.56
  6. Step 6: Final answer
    x = 16,292.81

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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.