Home / 25,551.77-38,333.42-7,784.02

Finding the Fourth Proportional to 25,551.77, 38,333.42 and 7,784.02

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Solution

The fourth proportional to 25,551.77, 38,333.42 and 7,784.02 is: 11,677.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,551.77 : 38,333.42 = 7,784.02 : x
  2. Step 2: Convert to fraction form
    25,551.77/38,333.42 = 7,784.02/x
  3. Step 3: Cross multiply
    25,551.77x = 38,333.42 × 7,784.02
  4. Step 4: Simplify right side
    25,551.77x = 298,388,107.95
  5. Step 5: Solve for x
    x = 298,388,107.95/25,551.77
  6. Step 6: Final answer
    x = 11,677.79

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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.