Home / 25,188.54-37,780.38-7,658.52

Finding the Fourth Proportional to 25,188.54, 37,780.38 and 7,658.52

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Solution

The fourth proportional to 25,188.54, 37,780.38 and 7,658.52 is: 11,487.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,188.54 : 37,780.38 = 7,658.52 : x
  2. Step 2: Convert to fraction form
    25,188.54/37,780.38 = 7,658.52/x
  3. Step 3: Cross multiply
    25,188.54x = 37,780.38 × 7,658.52
  4. Step 4: Simplify right side
    25,188.54x = 289,341,795.84
  5. Step 5: Solve for x
    x = 289,341,795.84/25,188.54
  6. Step 6: Final answer
    x = 11,487.04

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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.