Home / 16,931.54-25,398.12-8,173.82

Finding the Fourth Proportional to 16,931.54, 25,398.12 and 8,173.82

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Solution

The fourth proportional to 16,931.54, 25,398.12 and 8,173.82 is: 12,261.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,931.54 : 25,398.12 = 8,173.82 : x
  2. Step 2: Convert to fraction form
    16,931.54/25,398.12 = 8,173.82/x
  3. Step 3: Cross multiply
    16,931.54x = 25,398.12 × 8,173.82
  4. Step 4: Simplify right side
    16,931.54x = 207,599,661.22
  5. Step 5: Solve for x
    x = 207,599,661.22/16,931.54
  6. Step 6: Final answer
    x = 12,261.12

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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.