Home / 16,712.20-25,068.34-6,849.72

Finding the Fourth Proportional to 16,712.20, 25,068.34 and 6,849.72

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Solution

The fourth proportional to 16,712.20, 25,068.34 and 6,849.72 is: 10,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,712.20 : 25,068.34 = 6,849.72 : x
  2. Step 2: Convert to fraction form
    16,712.20/25,068.34 = 6,849.72/x
  3. Step 3: Cross multiply
    16,712.20x = 25,068.34 × 6,849.72
  4. Step 4: Simplify right side
    16,712.20x = 171,711,109.86
  5. Step 5: Solve for x
    x = 171,711,109.86/16,712.20
  6. Step 6: Final answer
    x = 10,274.60

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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.