Home / 16,817.70-25,230.18-5,130.56

Finding the Fourth Proportional to 16,817.70, 25,230.18 and 5,130.56

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Solution

The fourth proportional to 16,817.70, 25,230.18 and 5,130.56 is: 7,696.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.70 : 25,230.18 = 5,130.56 : x
  2. Step 2: Convert to fraction form
    16,817.70/25,230.18 = 5,130.56/x
  3. Step 3: Cross multiply
    16,817.70x = 25,230.18 × 5,130.56
  4. Step 4: Simplify right side
    16,817.70x = 129,444,952.30
  5. Step 5: Solve for x
    x = 129,444,952.30/16,817.70
  6. Step 6: Final answer
    x = 7,696.95

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1.5x scale

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.