Home / 25,318.98-37,963.89-7,784.10

Finding the Fourth Proportional to 25,318.98, 37,963.89 and 7,784.10

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Solution

The fourth proportional to 25,318.98, 37,963.89 and 7,784.10 is: 11,671.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,318.98 : 37,963.89 = 7,784.10 : x
  2. Step 2: Convert to fraction form
    25,318.98/37,963.89 = 7,784.10/x
  3. Step 3: Cross multiply
    25,318.98x = 37,963.89 × 7,784.10
  4. Step 4: Simplify right side
    25,318.98x = 295,514,716.15
  5. Step 5: Solve for x
    x = 295,514,716.15/25,318.98
  6. Step 6: Final answer
    x = 11,671.67

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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.