Home / 14,822.18-22,213.67-7,787.82

Finding the Fourth Proportional to 14,822.18, 22,213.67 and 7,787.82

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Solution

The fourth proportional to 14,822.18, 22,213.67 and 7,787.82 is: 11,671.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,822.18 : 22,213.67 = 7,787.82 : x
  2. Step 2: Convert to fraction form
    14,822.18/22,213.67 = 7,787.82/x
  3. Step 3: Cross multiply
    14,822.18x = 22,213.67 × 7,787.82
  4. Step 4: Simplify right side
    14,822.18x = 172,995,941.26
  5. Step 5: Solve for x
    x = 172,995,941.26/14,822.18
  6. Step 6: Final answer
    x = 11,671.42

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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.