Home / 26,115.66-39,174.40-8,586.86

Finding the Fourth Proportional to 26,115.66, 39,174.40 and 8,586.86

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Solution

The fourth proportional to 26,115.66, 39,174.40 and 8,586.86 is: 12,880.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,115.66 : 39,174.40 = 8,586.86 : x
  2. Step 2: Convert to fraction form
    26,115.66/39,174.40 = 8,586.86/x
  3. Step 3: Cross multiply
    26,115.66x = 39,174.40 × 8,586.86
  4. Step 4: Simplify right side
    26,115.66x = 336,384,871.04
  5. Step 5: Solve for x
    x = 336,384,871.04/26,115.66
  6. Step 6: Final answer
    x = 12,880.58

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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.