Home / 15,778.28-23,676.48-6,416.57

Finding the Fourth Proportional to 15,778.28, 23,676.48 and 6,416.57

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Solution

The fourth proportional to 15,778.28, 23,676.48 and 6,416.57 is: 9,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.28 : 23,676.48 = 6,416.57 : x
  2. Step 2: Convert to fraction form
    15,778.28/23,676.48 = 6,416.57/x
  3. Step 3: Cross multiply
    15,778.28x = 23,676.48 × 6,416.57
  4. Step 4: Simplify right side
    15,778.28x = 151,921,850.46
  5. Step 5: Solve for x
    x = 151,921,850.46/15,778.28
  6. Step 6: Final answer
    x = 9,628.54

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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.