Home / 22,310.70-30,787.86-13,352.94

Finding the Fourth Proportional to 22,310.70, 30,787.86 and 13,352.94

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Solution

The fourth proportional to 22,310.70, 30,787.86 and 13,352.94 is: 18,426.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,310.70 : 30,787.86 = 13,352.94 : x
  2. Step 2: Convert to fraction form
    22,310.70/30,787.86 = 13,352.94/x
  3. Step 3: Cross multiply
    22,310.70x = 30,787.86 × 13,352.94
  4. Step 4: Simplify right side
    22,310.70x = 411,108,447.31
  5. Step 5: Solve for x
    x = 411,108,447.31/22,310.70
  6. Step 6: Final answer
    x = 18,426.51

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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.