Home / 19,079.20-26,329.60-12,367.52

Finding the Fourth Proportional to 19,079.20, 26,329.60 and 12,367.52

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Solution

The fourth proportional to 19,079.20, 26,329.60 and 12,367.52 is: 17,067.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.20 : 26,329.60 = 12,367.52 : x
  2. Step 2: Convert to fraction form
    19,079.20/26,329.60 = 12,367.52/x
  3. Step 3: Cross multiply
    19,079.20x = 26,329.60 × 12,367.52
  4. Step 4: Simplify right side
    19,079.20x = 325,631,854.59
  5. Step 5: Solve for x
    x = 325,631,854.59/19,079.20
  6. Step 6: Final answer
    x = 17,067.37

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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.