Home / 14,186.48-21,272.60-8,265.28

Finding the Fourth Proportional to 14,186.48, 21,272.60 and 8,265.28

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Solution

The fourth proportional to 14,186.48, 21,272.60 and 8,265.28 is: 12,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,186.48 : 21,272.60 = 8,265.28 : x
  2. Step 2: Convert to fraction form
    14,186.48/21,272.60 = 8,265.28/x
  3. Step 3: Cross multiply
    14,186.48x = 21,272.60 × 8,265.28
  4. Step 4: Simplify right side
    14,186.48x = 175,823,995.33
  5. Step 5: Solve for x
    x = 175,823,995.33/14,186.48
  6. Step 6: Final answer
    x = 12,393.77

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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.