Home / 19,827.92-27,362.76-11,447.12

Finding the Fourth Proportional to 19,827.92, 27,362.76 and 11,447.12

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Solution

The fourth proportional to 19,827.92, 27,362.76 and 11,447.12 is: 15,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,827.92 : 27,362.76 = 11,447.12 : x
  2. Step 2: Convert to fraction form
    19,827.92/27,362.76 = 11,447.12/x
  3. Step 3: Cross multiply
    19,827.92x = 27,362.76 × 11,447.12
  4. Step 4: Simplify right side
    19,827.92x = 313,224,797.25
  5. Step 5: Solve for x
    x = 313,224,797.25/19,827.92
  6. Step 6: Final answer
    x = 15,797.16

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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.