Home / 16,830.74-25,246.21-5,143.96

Finding the Fourth Proportional to 16,830.74, 25,246.21 and 5,143.96

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Solution

The fourth proportional to 16,830.74, 25,246.21 and 5,143.96 is: 7,715.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,830.74 : 25,246.21 = 5,143.96 : x
  2. Step 2: Convert to fraction form
    16,830.74/25,246.21 = 5,143.96/x
  3. Step 3: Cross multiply
    16,830.74x = 25,246.21 × 5,143.96
  4. Step 4: Simplify right side
    16,830.74x = 129,865,368.16
  5. Step 5: Solve for x
    x = 129,865,368.16/16,830.74
  6. Step 6: Final answer
    x = 7,715.96

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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.