Home / 25,551.52-38,333.04-7,783.76

Finding the Fourth Proportional to 25,551.52, 38,333.04 and 7,783.76

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Solution

The fourth proportional to 25,551.52, 38,333.04 and 7,783.76 is: 11,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.52 : 38,333.04 = 7,783.76 : x
  2. Step 2: Convert to fraction form
    25,551.52/38,333.04 = 7,783.76/x
  3. Step 3: Cross multiply
    25,551.52x = 38,333.04 × 7,783.76
  4. Step 4: Simplify right side
    25,551.52x = 298,375,183.43
  5. Step 5: Solve for x
    x = 298,375,183.43/25,551.52
  6. Step 6: Final answer
    x = 11,677.39

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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.