Home / 15,664.11-23,499.62-7,770.92

Finding the Fourth Proportional to 15,664.11, 23,499.62 and 7,770.92

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Solution

The fourth proportional to 15,664.11, 23,499.62 and 7,770.92 is: 11,658.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,664.11 : 23,499.62 = 7,770.92 : x
  2. Step 2: Convert to fraction form
    15,664.11/23,499.62 = 7,770.92/x
  3. Step 3: Cross multiply
    15,664.11x = 23,499.62 × 7,770.92
  4. Step 4: Simplify right side
    15,664.11x = 182,613,667.05
  5. Step 5: Solve for x
    x = 182,613,667.05/15,664.11
  6. Step 6: Final answer
    x = 11,658.09

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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.