Home / 12,067.74-18,019.07-10,810.22

Finding the Fourth Proportional to 12,067.74, 18,019.07 and 10,810.22

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Solution

The fourth proportional to 12,067.74, 18,019.07 and 10,810.22 is: 16,141.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067.74 : 18,019.07 = 10,810.22 : x
  2. Step 2: Convert to fraction form
    12,067.74/18,019.07 = 10,810.22/x
  3. Step 3: Cross multiply
    12,067.74x = 18,019.07 × 10,810.22
  4. Step 4: Simplify right side
    12,067.74x = 194,789,966.75
  5. Step 5: Solve for x
    x = 194,789,966.75/12,067.74
  6. Step 6: Final answer
    x = 16,141.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.