Home / 13,961.40-19,269.76-8,588.44

Finding the Fourth Proportional to 13,961.40, 19,269.76 and 8,588.44

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Solution

The fourth proportional to 13,961.40, 19,269.76 and 8,588.44 is: 11,853.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,961.40 : 19,269.76 = 8,588.44 : x
  2. Step 2: Convert to fraction form
    13,961.40/19,269.76 = 8,588.44/x
  3. Step 3: Cross multiply
    13,961.40x = 19,269.76 × 8,588.44
  4. Step 4: Simplify right side
    13,961.40x = 165,497,177.57
  5. Step 5: Solve for x
    x = 165,497,177.57/13,961.40
  6. Step 6: Final answer
    x = 11,853.91

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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.