Home / 18,933.97-26,128.54-10,320.23

Finding the Fourth Proportional to 18,933.97, 26,128.54 and 10,320.23

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Solution

The fourth proportional to 18,933.97, 26,128.54 and 10,320.23 is: 14,241.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,933.97 : 26,128.54 = 10,320.23 : x
  2. Step 2: Convert to fraction form
    18,933.97/26,128.54 = 10,320.23/x
  3. Step 3: Cross multiply
    18,933.97x = 26,128.54 × 10,320.23
  4. Step 4: Simplify right side
    18,933.97x = 269,652,542.36
  5. Step 5: Solve for x
    x = 269,652,542.36/18,933.97
  6. Step 6: Final answer
    x = 14,241.73

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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.