Home / 25,255.61-37,875.20-11,926.54

Finding the Fourth Proportional to 25,255.61, 37,875.20 and 11,926.54

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Solution

The fourth proportional to 25,255.61, 37,875.20 and 11,926.54 is: 17,885.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,255.61 : 37,875.20 = 11,926.54 : x
  2. Step 2: Convert to fraction form
    25,255.61/37,875.20 = 11,926.54/x
  3. Step 3: Cross multiply
    25,255.61x = 37,875.20 × 11,926.54
  4. Step 4: Simplify right side
    25,255.61x = 451,719,898.43
  5. Step 5: Solve for x
    x = 451,719,898.43/25,255.61
  6. Step 6: Final answer
    x = 17,885.93

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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.