Home / 16,901.61-25,350.79-5,211.69

Finding the Fourth Proportional to 16,901.61, 25,350.79 and 5,211.69

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Solution

The fourth proportional to 16,901.61, 25,350.79 and 5,211.69 is: 7,817.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,901.61 : 25,350.79 = 5,211.69 : x
  2. Step 2: Convert to fraction form
    16,901.61/25,350.79 = 5,211.69/x
  3. Step 3: Cross multiply
    16,901.61x = 25,350.79 × 5,211.69
  4. Step 4: Simplify right side
    16,901.61x = 132,120,458.74
  5. Step 5: Solve for x
    x = 132,120,458.74/16,901.61
  6. Step 6: Final answer
    x = 7,817.03

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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.