Home / 26,081.16-39,107.58-9,205.72

Finding the Fourth Proportional to 26,081.16, 39,107.58 and 9,205.72

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Solution

The fourth proportional to 26,081.16, 39,107.58 and 9,205.72 is: 13,803.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,081.16 : 39,107.58 = 9,205.72 : x
  2. Step 2: Convert to fraction form
    26,081.16/39,107.58 = 9,205.72/x
  3. Step 3: Cross multiply
    26,081.16x = 39,107.58 × 9,205.72
  4. Step 4: Simplify right side
    26,081.16x = 360,013,431.36
  5. Step 5: Solve for x
    x = 360,013,431.36/26,081.16
  6. Step 6: Final answer
    x = 13,803.58

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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.