Home / 25,322.09-37,987.45-7,791.53

Finding the Fourth Proportional to 25,322.09, 37,987.45 and 7,791.53

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Solution

The fourth proportional to 25,322.09, 37,987.45 and 7,791.53 is: 11,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,322.09 : 37,987.45 = 7,791.53 : x
  2. Step 2: Convert to fraction form
    25,322.09/37,987.45 = 7,791.53/x
  3. Step 3: Cross multiply
    25,322.09x = 37,987.45 × 7,791.53
  4. Step 4: Simplify right side
    25,322.09x = 295,980,146.88
  5. Step 5: Solve for x
    x = 295,980,146.88/25,322.09
  6. Step 6: Final answer
    x = 11,688.62

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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.