Home / 18,734.66-25,857.46-12,028.76

Finding the Fourth Proportional to 18,734.66, 25,857.46 and 12,028.76

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Solution

The fourth proportional to 18,734.66, 25,857.46 and 12,028.76 is: 16,602.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,734.66 : 25,857.46 = 12,028.76 : x
  2. Step 2: Convert to fraction form
    18,734.66/25,857.46 = 12,028.76/x
  3. Step 3: Cross multiply
    18,734.66x = 25,857.46 × 12,028.76
  4. Step 4: Simplify right side
    18,734.66x = 311,033,180.55
  5. Step 5: Solve for x
    x = 311,033,180.55/18,734.66
  6. Step 6: Final answer
    x = 16,602.02

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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.