Home / 19,213.36-26,496.86-13,172.38

Finding the Fourth Proportional to 19,213.36, 26,496.86 and 13,172.38

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Solution

The fourth proportional to 19,213.36, 26,496.86 and 13,172.38 is: 18,165.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,213.36 : 26,496.86 = 13,172.38 : x
  2. Step 2: Convert to fraction form
    19,213.36/26,496.86 = 13,172.38/x
  3. Step 3: Cross multiply
    19,213.36x = 26,496.86 × 13,172.38
  4. Step 4: Simplify right side
    19,213.36x = 349,026,708.73
  5. Step 5: Solve for x
    x = 349,026,708.73/19,213.36
  6. Step 6: Final answer
    x = 18,165.83

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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.