Home / 26,500.35-39,725.81-8,957.91

Finding the Fourth Proportional to 26,500.35, 39,725.81 and 8,957.91

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Solution

The fourth proportional to 26,500.35, 39,725.81 and 8,957.91 is: 13,428.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,500.35 : 39,725.81 = 8,957.91 : x
  2. Step 2: Convert to fraction form
    26,500.35/39,725.81 = 8,957.91/x
  3. Step 3: Cross multiply
    26,500.35x = 39,725.81 × 8,957.91
  4. Step 4: Simplify right side
    26,500.35x = 355,860,253.05
  5. Step 5: Solve for x
    x = 355,860,253.05/26,500.35
  6. Step 6: Final answer
    x = 13,428.51

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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.