Home / 57,635.91-86,453.85-15,516.09

Finding the Fourth Proportional to 57,635.91, 86,453.85 and 15,516.09

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Solution

The fourth proportional to 57,635.91, 86,453.85 and 15,516.09 is: 23,274.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,635.91 : 86,453.85 = 15,516.09 : x
  2. Step 2: Convert to fraction form
    57,635.91/86,453.85 = 15,516.09/x
  3. Step 3: Cross multiply
    57,635.91x = 86,453.85 × 15,516.09
  4. Step 4: Simplify right side
    57,635.91x = 1,341,425,717.45
  5. Step 5: Solve for x
    x = 1,341,425,717.45/57,635.91
  6. Step 6: Final answer
    x = 23,274.13

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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.