Home / 18,336.16-25,324.74-12,357.52

Finding the Fourth Proportional to 18,336.16, 25,324.74 and 12,357.52

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Solution

The fourth proportional to 18,336.16, 25,324.74 and 12,357.52 is: 17,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.16 : 25,324.74 = 12,357.52 : x
  2. Step 2: Convert to fraction form
    18,336.16/25,324.74 = 12,357.52/x
  3. Step 3: Cross multiply
    18,336.16x = 25,324.74 × 12,357.52
  4. Step 4: Simplify right side
    18,336.16x = 312,950,981.04
  5. Step 5: Solve for x
    x = 312,950,981.04/18,336.16
  6. Step 6: Final answer
    x = 17,067.42

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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.