Home / 16,870.56-25,306.20-5,790

Finding the Fourth Proportional to 16,870.56, 25,306.20 and 5,790

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Solution

The fourth proportional to 16,870.56, 25,306.20 and 5,790 is: 8,685.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,870.56 : 25,306.20 = 5,790 : x
  2. Step 2: Convert to fraction form
    16,870.56/25,306.20 = 5,790/x
  3. Step 3: Cross multiply
    16,870.56x = 25,306.20 × 5,790
  4. Step 4: Simplify right side
    16,870.56x = 146,522,898
  5. Step 5: Solve for x
    x = 146,522,898/16,870.56
  6. Step 6: Final answer
    x = 8,685.12

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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.