Home / 26,051.92-39,033.72-18,618.64

Finding the Fourth Proportional to 26,051.92, 39,033.72 and 18,618.64

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Solution

The fourth proportional to 26,051.92, 39,033.72 and 18,618.64 is: 27,896.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,051.92 : 39,033.72 = 18,618.64 : x
  2. Step 2: Convert to fraction form
    26,051.92/39,033.72 = 18,618.64/x
  3. Step 3: Cross multiply
    26,051.92x = 39,033.72 × 18,618.64
  4. Step 4: Simplify right side
    26,051.92x = 726,754,780.54
  5. Step 5: Solve for x
    x = 726,754,780.54/26,051.92
  6. Step 6: Final answer
    x = 27,896.40

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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.