Home / 13,877.53-19,149.21-8,502.37

Finding the Fourth Proportional to 13,877.53, 19,149.21 and 8,502.37

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Solution

The fourth proportional to 13,877.53, 19,149.21 and 8,502.37 is: 11,732.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.53 : 19,149.21 = 8,502.37 : x
  2. Step 2: Convert to fraction form
    13,877.53/19,149.21 = 8,502.37/x
  3. Step 3: Cross multiply
    13,877.53x = 19,149.21 × 8,502.37
  4. Step 4: Simplify right side
    13,877.53x = 162,813,620.75
  5. Step 5: Solve for x
    x = 162,813,620.75/13,877.53
  6. Step 6: Final answer
    x = 11,732.18

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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.