Home / 16,763.15-25,144.72-4,283.20

Finding the Fourth Proportional to 16,763.15, 25,144.72 and 4,283.20

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Solution

The fourth proportional to 16,763.15, 25,144.72 and 4,283.20 is: 6,424.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,763.15 : 25,144.72 = 4,283.20 : x
  2. Step 2: Convert to fraction form
    16,763.15/25,144.72 = 4,283.20/x
  3. Step 3: Cross multiply
    16,763.15x = 25,144.72 × 4,283.20
  4. Step 4: Simplify right side
    16,763.15x = 107,699,864.70
  5. Step 5: Solve for x
    x = 107,699,864.70/16,763.15
  6. Step 6: Final answer
    x = 6,424.80

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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.