Home / 18,600.03-25,658.52-11,878.59

Finding the Fourth Proportional to 18,600.03, 25,658.52 and 11,878.59

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Solution

The fourth proportional to 18,600.03, 25,658.52 and 11,878.59 is: 16,386.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,600.03 : 25,658.52 = 11,878.59 : x
  2. Step 2: Convert to fraction form
    18,600.03/25,658.52 = 11,878.59/x
  3. Step 3: Cross multiply
    18,600.03x = 25,658.52 × 11,878.59
  4. Step 4: Simplify right side
    18,600.03x = 304,787,039.09
  5. Step 5: Solve for x
    x = 304,787,039.09/18,600.03
  6. Step 6: Final answer
    x = 16,386.37

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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.