Home / 15,778.32-23,667.39-5,910.60

Finding the Fourth Proportional to 15,778.32, 23,667.39 and 5,910.60

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Solution

The fourth proportional to 15,778.32, 23,667.39 and 5,910.60 is: 8,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.32 : 23,667.39 = 5,910.60 : x
  2. Step 2: Convert to fraction form
    15,778.32/23,667.39 = 5,910.60/x
  3. Step 3: Cross multiply
    15,778.32x = 23,667.39 × 5,910.60
  4. Step 4: Simplify right side
    15,778.32x = 139,888,475.33
  5. Step 5: Solve for x
    x = 139,888,475.33/15,778.32
  6. Step 6: Final answer
    x = 8,865.87

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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.