Home / 25,272.45-37,913.54-7,742.43

Finding the Fourth Proportional to 25,272.45, 37,913.54 and 7,742.43

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Solution

The fourth proportional to 25,272.45, 37,913.54 and 7,742.43 is: 11,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,272.45 : 37,913.54 = 7,742.43 : x
  2. Step 2: Convert to fraction form
    25,272.45/37,913.54 = 7,742.43/x
  3. Step 3: Cross multiply
    25,272.45x = 37,913.54 × 7,742.43
  4. Step 4: Simplify right side
    25,272.45x = 293,542,890.79
  5. Step 5: Solve for x
    x = 293,542,890.79/25,272.45
  6. Step 6: Final answer
    x = 11,615.13

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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.