Home / 26,795.87-40,171.12-10,146.72

Finding the Fourth Proportional to 26,795.87, 40,171.12 and 10,146.72

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Solution

The fourth proportional to 26,795.87, 40,171.12 and 10,146.72 is: 15,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,795.87 : 40,171.12 = 10,146.72 : x
  2. Step 2: Convert to fraction form
    26,795.87/40,171.12 = 10,146.72/x
  3. Step 3: Cross multiply
    26,795.87x = 40,171.12 × 10,146.72
  4. Step 4: Simplify right side
    26,795.87x = 407,605,055.99
  5. Step 5: Solve for x
    x = 407,605,055.99/26,795.87
  6. Step 6: Final answer
    x = 15,211.49

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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.