Home / 16,781.23-25,172.49-5,094.15

Finding the Fourth Proportional to 16,781.23, 25,172.49 and 5,094.15

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Solution

The fourth proportional to 16,781.23, 25,172.49 and 5,094.15 is: 7,641.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,781.23 : 25,172.49 = 5,094.15 : x
  2. Step 2: Convert to fraction form
    16,781.23/25,172.49 = 5,094.15/x
  3. Step 3: Cross multiply
    16,781.23x = 25,172.49 × 5,094.15
  4. Step 4: Simplify right side
    16,781.23x = 128,232,439.93
  5. Step 5: Solve for x
    x = 128,232,439.93/16,781.23
  6. Step 6: Final answer
    x = 7,641.42

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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.