Home / 18,696.02-28,062.50-8,173.30

Finding the Fourth Proportional to 18,696.02, 28,062.50 and 8,173.30

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Solution

The fourth proportional to 18,696.02, 28,062.50 and 8,173.30 is: 12,268.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,696.02 : 28,062.50 = 8,173.30 : x
  2. Step 2: Convert to fraction form
    18,696.02/28,062.50 = 8,173.30/x
  3. Step 3: Cross multiply
    18,696.02x = 28,062.50 × 8,173.30
  4. Step 4: Simplify right side
    18,696.02x = 229,363,140.66
  5. Step 5: Solve for x
    x = 229,363,140.66/18,696.02
  6. Step 6: Final answer
    x = 12,268.02

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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.