Home / 19,196.36-26,480.84-13,217.64

Finding the Fourth Proportional to 19,196.36, 26,480.84 and 13,217.64

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Solution

The fourth proportional to 19,196.36, 26,480.84 and 13,217.64 is: 18,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,196.36 : 26,480.84 = 13,217.64 : x
  2. Step 2: Convert to fraction form
    19,196.36/26,480.84 = 13,217.64/x
  3. Step 3: Cross multiply
    19,196.36x = 26,480.84 × 13,217.64
  4. Step 4: Simplify right side
    19,196.36x = 350,014,143.93
  5. Step 5: Solve for x
    x = 350,014,143.93/19,196.36
  6. Step 6: Final answer
    x = 18,233.36

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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.