Home / 15,297.17-21,109.97-8,582.66

Finding the Fourth Proportional to 15,297.17, 21,109.97 and 8,582.66

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Solution

The fourth proportional to 15,297.17, 21,109.97 and 8,582.66 is: 11,844.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,297.17 : 21,109.97 = 8,582.66 : x
  2. Step 2: Convert to fraction form
    15,297.17/21,109.97 = 8,582.66/x
  3. Step 3: Cross multiply
    15,297.17x = 21,109.97 × 8,582.66
  4. Step 4: Simplify right side
    15,297.17x = 181,179,546.66
  5. Step 5: Solve for x
    x = 181,179,546.66/15,297.17
  6. Step 6: Final answer
    x = 11,844.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.