Home / 19,906.14-29,816.16-9,360.36

Finding the Fourth Proportional to 19,906.14, 29,816.16 and 9,360.36

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Solution

The fourth proportional to 19,906.14, 29,816.16 and 9,360.36 is: 14,020.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,906.14 : 29,816.16 = 9,360.36 : x
  2. Step 2: Convert to fraction form
    19,906.14/29,816.16 = 9,360.36/x
  3. Step 3: Cross multiply
    19,906.14x = 29,816.16 × 9,360.36
  4. Step 4: Simplify right side
    19,906.14x = 279,090,068.13
  5. Step 5: Solve for x
    x = 279,090,068.13/19,906.14
  6. Step 6: Final answer
    x = 14,020.30

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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.