Home / 12,551.46-18,833.31-8,877.30

Finding the Fourth Proportional to 12,551.46, 18,833.31 and 8,877.30

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Solution

The fourth proportional to 12,551.46, 18,833.31 and 8,877.30 is: 13,320.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551.46 : 18,833.31 = 8,877.30 : x
  2. Step 2: Convert to fraction form
    12,551.46/18,833.31 = 8,877.30/x
  3. Step 3: Cross multiply
    12,551.46x = 18,833.31 × 8,877.30
  4. Step 4: Simplify right side
    12,551.46x = 167,188,872.24
  5. Step 5: Solve for x
    x = 167,188,872.24/12,551.46
  6. Step 6: Final answer
    x = 13,320.28

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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.