Home / 25,076.19-37,628.87-19,778.79

Finding the Fourth Proportional to 25,076.19, 37,628.87 and 19,778.79

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Solution

The fourth proportional to 25,076.19, 37,628.87 and 19,778.79 is: 29,679.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,076.19 : 37,628.87 = 19,778.79 : x
  2. Step 2: Convert to fraction form
    25,076.19/37,628.87 = 19,778.79/x
  3. Step 3: Cross multiply
    25,076.19x = 37,628.87 × 19,778.79
  4. Step 4: Simplify right side
    25,076.19x = 744,253,418.77
  5. Step 5: Solve for x
    x = 744,253,418.77/25,076.19
  6. Step 6: Final answer
    x = 29,679.68

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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.