Home / 18,251.36-27,375.67-5,104.76

Finding the Fourth Proportional to 18,251.36, 27,375.67 and 5,104.76

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Solution

The fourth proportional to 18,251.36, 27,375.67 and 5,104.76 is: 7,656.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,251.36 : 27,375.67 = 5,104.76 : x
  2. Step 2: Convert to fraction form
    18,251.36/27,375.67 = 5,104.76/x
  3. Step 3: Cross multiply
    18,251.36x = 27,375.67 × 5,104.76
  4. Step 4: Simplify right side
    18,251.36x = 139,746,225.19
  5. Step 5: Solve for x
    x = 139,746,225.19/18,251.36
  6. Step 6: Final answer
    x = 7,656.76

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1.5x scale

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.