Home / 14,170.35-19,556.77-8,122.76

Finding the Fourth Proportional to 14,170.35, 19,556.77 and 8,122.76

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Solution

The fourth proportional to 14,170.35, 19,556.77 and 8,122.76 is: 11,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,170.35 : 19,556.77 = 8,122.76 : x
  2. Step 2: Convert to fraction form
    14,170.35/19,556.77 = 8,122.76/x
  3. Step 3: Cross multiply
    14,170.35x = 19,556.77 × 8,122.76
  4. Step 4: Simplify right side
    14,170.35x = 158,854,910.35
  5. Step 5: Solve for x
    x = 158,854,910.35/14,170.35
  6. Step 6: Final answer
    x = 11,210.37

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Half scale
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Double scale
Find fourth proportional to 14,171.35, 19,558.15 and 8,123.76
Similar ratio
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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.