Home / 19,844.55-27,386.28-11,348.07

Finding the Fourth Proportional to 19,844.55, 27,386.28 and 11,348.07

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Solution

The fourth proportional to 19,844.55, 27,386.28 and 11,348.07 is: 15,660.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,844.55 : 27,386.28 = 11,348.07 : x
  2. Step 2: Convert to fraction form
    19,844.55/27,386.28 = 11,348.07/x
  3. Step 3: Cross multiply
    19,844.55x = 27,386.28 × 11,348.07
  4. Step 4: Simplify right side
    19,844.55x = 310,781,422.48
  5. Step 5: Solve for x
    x = 310,781,422.48/19,844.55
  6. Step 6: Final answer
    x = 15,660.79

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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.