Home / 16,709.47-25,063.91-6,718.61

Finding the Fourth Proportional to 16,709.47, 25,063.91 and 6,718.61

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Solution

The fourth proportional to 16,709.47, 25,063.91 and 6,718.61 is: 10,077.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,709.47 : 25,063.91 = 6,718.61 : x
  2. Step 2: Convert to fraction form
    16,709.47/25,063.91 = 6,718.61/x
  3. Step 3: Cross multiply
    16,709.47x = 25,063.91 × 6,718.61
  4. Step 4: Simplify right side
    16,709.47x = 168,394,602.77
  5. Step 5: Solve for x
    x = 168,394,602.77/16,709.47
  6. Step 6: Final answer
    x = 10,077.80

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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.