Home / 18,824.36-25,963.25-13,786.76

Finding the Fourth Proportional to 18,824.36, 25,963.25 and 13,786.76

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Solution

The fourth proportional to 18,824.36, 25,963.25 and 13,786.76 is: 19,015.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,824.36 : 25,963.25 = 13,786.76 : x
  2. Step 2: Convert to fraction form
    18,824.36/25,963.25 = 13,786.76/x
  3. Step 3: Cross multiply
    18,824.36x = 25,963.25 × 13,786.76
  4. Step 4: Simplify right side
    18,824.36x = 357,948,897.82
  5. Step 5: Solve for x
    x = 357,948,897.82/18,824.36
  6. Step 6: Final answer
    x = 19,015.20

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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.