Home / 13,324.57-19,867.77-12,844.33

Finding the Fourth Proportional to 13,324.57, 19,867.77 and 12,844.33

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Solution

The fourth proportional to 13,324.57, 19,867.77 and 12,844.33 is: 19,151.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,324.57 : 19,867.77 = 12,844.33 : x
  2. Step 2: Convert to fraction form
    13,324.57/19,867.77 = 12,844.33/x
  3. Step 3: Cross multiply
    13,324.57x = 19,867.77 × 12,844.33
  4. Step 4: Simplify right side
    13,324.57x = 255,188,144.57
  5. Step 5: Solve for x
    x = 255,188,144.57/13,324.57
  6. Step 6: Final answer
    x = 19,151.70

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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.