Home / 16,679.64-25,011.02-5,582.36

Finding the Fourth Proportional to 16,679.64, 25,011.02 and 5,582.36

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Solution

The fourth proportional to 16,679.64, 25,011.02 and 5,582.36 is: 8,370.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,679.64 : 25,011.02 = 5,582.36 : x
  2. Step 2: Convert to fraction form
    16,679.64/25,011.02 = 5,582.36/x
  3. Step 3: Cross multiply
    16,679.64x = 25,011.02 × 5,582.36
  4. Step 4: Simplify right side
    16,679.64x = 139,620,517.61
  5. Step 5: Solve for x
    x = 139,620,517.61/16,679.64
  6. Step 6: Final answer
    x = 8,370.72

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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.