Home / 25,188.68-37,785.14-7,658.66

Finding the Fourth Proportional to 25,188.68, 37,785.14 and 7,658.66

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Solution

The fourth proportional to 25,188.68, 37,785.14 and 7,658.66 is: 11,488.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.68 : 37,785.14 = 7,658.66 : x
  2. Step 2: Convert to fraction form
    25,188.68/37,785.14 = 7,658.66/x
  3. Step 3: Cross multiply
    25,188.68x = 37,785.14 × 7,658.66
  4. Step 4: Simplify right side
    25,188.68x = 289,383,313.09
  5. Step 5: Solve for x
    x = 289,383,313.09/25,188.68
  6. Step 6: Final answer
    x = 11,488.63

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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.