Home / 26,624.77-39,930.32-7,900.38

Finding the Fourth Proportional to 26,624.77, 39,930.32 and 7,900.38

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Solution

The fourth proportional to 26,624.77, 39,930.32 and 7,900.38 is: 11,848.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,624.77 : 39,930.32 = 7,900.38 : x
  2. Step 2: Convert to fraction form
    26,624.77/39,930.32 = 7,900.38/x
  3. Step 3: Cross multiply
    26,624.77x = 39,930.32 × 7,900.38
  4. Step 4: Simplify right side
    26,624.77x = 315,464,462.37
  5. Step 5: Solve for x
    x = 315,464,462.37/26,624.77
  6. Step 6: Final answer
    x = 11,848.54

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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.