Home / 19,467.36-29,164.11-11,553.15

Finding the Fourth Proportional to 19,467.36, 29,164.11 and 11,553.15

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Solution

The fourth proportional to 19,467.36, 29,164.11 and 11,553.15 is: 17,307.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,467.36 : 29,164.11 = 11,553.15 : x
  2. Step 2: Convert to fraction form
    19,467.36/29,164.11 = 11,553.15/x
  3. Step 3: Cross multiply
    19,467.36x = 29,164.11 × 11,553.15
  4. Step 4: Simplify right side
    19,467.36x = 336,937,337.45
  5. Step 5: Solve for x
    x = 336,937,337.45/19,467.36
  6. Step 6: Final answer
    x = 17,307.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.