Home / 16,835.85-25,251.33-5,145.93

Finding the Fourth Proportional to 16,835.85, 25,251.33 and 5,145.93

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Solution

The fourth proportional to 16,835.85, 25,251.33 and 5,145.93 is: 7,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,835.85 : 25,251.33 = 5,145.93 : x
  2. Step 2: Convert to fraction form
    16,835.85/25,251.33 = 5,145.93/x
  3. Step 3: Cross multiply
    16,835.85x = 25,251.33 × 5,145.93
  4. Step 4: Simplify right side
    16,835.85x = 129,941,576.59
  5. Step 5: Solve for x
    x = 129,941,576.59/16,835.85
  6. Step 6: Final answer
    x = 7,718.15

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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.