Home / 16,676.64-25,007.61-4,987.11

Finding the Fourth Proportional to 16,676.64, 25,007.61 and 4,987.11

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Solution

The fourth proportional to 16,676.64, 25,007.61 and 4,987.11 is: 7,478.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,676.64 : 25,007.61 = 4,987.11 : x
  2. Step 2: Convert to fraction form
    16,676.64/25,007.61 = 4,987.11/x
  3. Step 3: Cross multiply
    16,676.64x = 25,007.61 × 4,987.11
  4. Step 4: Simplify right side
    16,676.64x = 124,715,701.91
  5. Step 5: Solve for x
    x = 124,715,701.91/16,676.64
  6. Step 6: Final answer
    x = 7,478.47

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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.