Home / 25,198.98-37,787.55-7,664.76

Finding the Fourth Proportional to 25,198.98, 37,787.55 and 7,664.76

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Solution

The fourth proportional to 25,198.98, 37,787.55 and 7,664.76 is: 11,493.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,198.98 : 37,787.55 = 7,664.76 : x
  2. Step 2: Convert to fraction form
    25,198.98/37,787.55 = 7,664.76/x
  3. Step 3: Cross multiply
    25,198.98x = 37,787.55 × 7,664.76
  4. Step 4: Simplify right side
    25,198.98x = 289,632,501.74
  5. Step 5: Solve for x
    x = 289,632,501.74/25,198.98
  6. Step 6: Final answer
    x = 11,493.82

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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.