Home / 15,794.88-21,823.11-12,463.05

Finding the Fourth Proportional to 15,794.88, 21,823.11 and 12,463.05

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Solution

The fourth proportional to 15,794.88, 21,823.11 and 12,463.05 is: 17,219.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,794.88 : 21,823.11 = 12,463.05 : x
  2. Step 2: Convert to fraction form
    15,794.88/21,823.11 = 12,463.05/x
  3. Step 3: Cross multiply
    15,794.88x = 21,823.11 × 12,463.05
  4. Step 4: Simplify right side
    15,794.88x = 271,982,511.09
  5. Step 5: Solve for x
    x = 271,982,511.09/15,794.88
  6. Step 6: Final answer
    x = 17,219.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.