Home / 15,771.60-23,656.89-6,408.87

Finding the Fourth Proportional to 15,771.60, 23,656.89 and 6,408.87

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Solution

The fourth proportional to 15,771.60, 23,656.89 and 6,408.87 is: 9,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,771.60 : 23,656.89 = 6,408.87 : x
  2. Step 2: Convert to fraction form
    15,771.60/23,656.89 = 6,408.87/x
  3. Step 3: Cross multiply
    15,771.60x = 23,656.89 × 6,408.87
  4. Step 4: Simplify right side
    15,771.60x = 151,613,932.61
  5. Step 5: Solve for x
    x = 151,613,932.61/15,771.60
  6. Step 6: Final answer
    x = 9,613.10

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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.