Home / 15,669.66-21,623.76-8,596.02

Finding the Fourth Proportional to 15,669.66, 21,623.76 and 8,596.02

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Solution

The fourth proportional to 15,669.66, 21,623.76 and 8,596.02 is: 11,862.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669.66 : 21,623.76 = 8,596.02 : x
  2. Step 2: Convert to fraction form
    15,669.66/21,623.76 = 8,596.02/x
  3. Step 3: Cross multiply
    15,669.66x = 21,623.76 × 8,596.02
  4. Step 4: Simplify right side
    15,669.66x = 185,878,273.44
  5. Step 5: Solve for x
    x = 185,878,273.44/15,669.66
  6. Step 6: Final answer
    x = 11,862.30

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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.