Home / 12,853.23-19,236-10,775.58

Finding the Fourth Proportional to 12,853.23, 19,236 and 10,775.58

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Solution

The fourth proportional to 12,853.23, 19,236 and 10,775.58 is: 16,126.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,853.23 : 19,236 = 10,775.58 : x
  2. Step 2: Convert to fraction form
    12,853.23/19,236 = 10,775.58/x
  3. Step 3: Cross multiply
    12,853.23x = 19,236 × 10,775.58
  4. Step 4: Simplify right side
    12,853.23x = 207,279,056.88
  5. Step 5: Solve for x
    x = 207,279,056.88/12,853.23
  6. Step 6: Final answer
    x = 16,126.61

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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.