Home / 21,772.86-32,671.89-10,085.46

Finding the Fourth Proportional to 21,772.86, 32,671.89 and 10,085.46

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Solution

The fourth proportional to 21,772.86, 32,671.89 and 10,085.46 is: 15,134.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,772.86 : 32,671.89 = 10,085.46 : x
  2. Step 2: Convert to fraction form
    21,772.86/32,671.89 = 10,085.46/x
  3. Step 3: Cross multiply
    21,772.86x = 32,671.89 × 10,085.46
  4. Step 4: Simplify right side
    21,772.86x = 329,511,039.72
  5. Step 5: Solve for x
    x = 329,511,039.72/21,772.86
  6. Step 6: Final answer
    x = 15,134.03

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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.