Home / 25,147.70-37,721.46-6,427.72

Finding the Fourth Proportional to 25,147.70, 37,721.46 and 6,427.72

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Solution

The fourth proportional to 25,147.70, 37,721.46 and 6,427.72 is: 9,641.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,147.70 : 37,721.46 = 6,427.72 : x
  2. Step 2: Convert to fraction form
    25,147.70/37,721.46 = 6,427.72/x
  3. Step 3: Cross multiply
    25,147.70x = 37,721.46 × 6,427.72
  4. Step 4: Simplify right side
    25,147.70x = 242,463,054.13
  5. Step 5: Solve for x
    x = 242,463,054.13/25,147.70
  6. Step 6: Final answer
    x = 9,641.56

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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.