Home / 16,803.77-25,209.30-5,116.68

Finding the Fourth Proportional to 16,803.77, 25,209.30 and 5,116.68

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Solution

The fourth proportional to 16,803.77, 25,209.30 and 5,116.68 is: 7,676.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,803.77 : 25,209.30 = 5,116.68 : x
  2. Step 2: Convert to fraction form
    16,803.77/25,209.30 = 5,116.68/x
  3. Step 3: Cross multiply
    16,803.77x = 25,209.30 × 5,116.68
  4. Step 4: Simplify right side
    16,803.77x = 128,987,921.12
  5. Step 5: Solve for x
    x = 128,987,921.12/16,803.77
  6. Step 6: Final answer
    x = 7,676.13

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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.