Home / 14,525.82-21,787.65-5,165.46

Finding the Fourth Proportional to 14,525.82, 21,787.65 and 5,165.46

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Solution

The fourth proportional to 14,525.82, 21,787.65 and 5,165.46 is: 7,747.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,525.82 : 21,787.65 = 5,165.46 : x
  2. Step 2: Convert to fraction form
    14,525.82/21,787.65 = 5,165.46/x
  3. Step 3: Cross multiply
    14,525.82x = 21,787.65 × 5,165.46
  4. Step 4: Simplify right side
    14,525.82x = 112,543,234.57
  5. Step 5: Solve for x
    x = 112,543,234.57/14,525.82
  6. Step 6: Final answer
    x = 7,747.81

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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.