Home / 25,606.86-38,420.22-8,968.74

Finding the Fourth Proportional to 25,606.86, 38,420.22 and 8,968.74

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Solution

The fourth proportional to 25,606.86, 38,420.22 and 8,968.74 is: 13,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,606.86 : 38,420.22 = 8,968.74 : x
  2. Step 2: Convert to fraction form
    25,606.86/38,420.22 = 8,968.74/x
  3. Step 3: Cross multiply
    25,606.86x = 38,420.22 × 8,968.74
  4. Step 4: Simplify right side
    25,606.86x = 344,580,963.92
  5. Step 5: Solve for x
    x = 344,580,963.92/25,606.86
  6. Step 6: Final answer
    x = 13,456.59

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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.