Home / 16,905.91-25,360.35-4,425.88

Finding the Fourth Proportional to 16,905.91, 25,360.35 and 4,425.88

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Solution

The fourth proportional to 16,905.91, 25,360.35 and 4,425.88 is: 6,639.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,905.91 : 25,360.35 = 4,425.88 : x
  2. Step 2: Convert to fraction form
    16,905.91/25,360.35 = 4,425.88/x
  3. Step 3: Cross multiply
    16,905.91x = 25,360.35 × 4,425.88
  4. Step 4: Simplify right side
    16,905.91x = 112,241,865.86
  5. Step 5: Solve for x
    x = 112,241,865.86/16,905.91
  6. Step 6: Final answer
    x = 6,639.21

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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.