Home / 18,583.08-25,656.66-11,517

Finding the Fourth Proportional to 18,583.08, 25,656.66 and 11,517

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Solution

The fourth proportional to 18,583.08, 25,656.66 and 11,517 is: 15,900.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.08 : 25,656.66 = 11,517 : x
  2. Step 2: Convert to fraction form
    18,583.08/25,656.66 = 11,517/x
  3. Step 3: Cross multiply
    18,583.08x = 25,656.66 × 11,517
  4. Step 4: Simplify right side
    18,583.08x = 295,487,753.22
  5. Step 5: Solve for x
    x = 295,487,753.22/18,583.08
  6. Step 6: Final answer
    x = 15,900.90

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1.5x scale

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.