Home / 16,899.80-25,353.30-5,214.20

Finding the Fourth Proportional to 16,899.80, 25,353.30 and 5,214.20

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Solution

The fourth proportional to 16,899.80, 25,353.30 and 5,214.20 is: 7,822.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,899.80 : 25,353.30 = 5,214.20 : x
  2. Step 2: Convert to fraction form
    16,899.80/25,353.30 = 5,214.20/x
  3. Step 3: Cross multiply
    16,899.80x = 25,353.30 × 5,214.20
  4. Step 4: Simplify right side
    16,899.80x = 132,197,176.86
  5. Step 5: Solve for x
    x = 132,197,176.86/16,899.80
  6. Step 6: Final answer
    x = 7,822.41

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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.