Home / 14,787.36-22,190.76-8,218.26

Finding the Fourth Proportional to 14,787.36, 22,190.76 and 8,218.26

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Solution

The fourth proportional to 14,787.36, 22,190.76 and 8,218.26 is: 12,332.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,787.36 : 22,190.76 = 8,218.26 : x
  2. Step 2: Convert to fraction form
    14,787.36/22,190.76 = 8,218.26/x
  3. Step 3: Cross multiply
    14,787.36x = 22,190.76 × 8,218.26
  4. Step 4: Simplify right side
    14,787.36x = 182,369,435.28
  5. Step 5: Solve for x
    x = 182,369,435.28/14,787.36
  6. Step 6: Final answer
    x = 12,332.79

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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.