Home / 13,994.76-19,311.49-8,328.59

Finding the Fourth Proportional to 13,994.76, 19,311.49 and 8,328.59

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Solution

The fourth proportional to 13,994.76, 19,311.49 and 8,328.59 is: 11,492.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,994.76 : 19,311.49 = 8,328.59 : x
  2. Step 2: Convert to fraction form
    13,994.76/19,311.49 = 8,328.59/x
  3. Step 3: Cross multiply
    13,994.76x = 19,311.49 × 8,328.59
  4. Step 4: Simplify right side
    13,994.76x = 160,837,519.35
  5. Step 5: Solve for x
    x = 160,837,519.35/13,994.76
  6. Step 6: Final answer
    x = 11,492.70

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Double scale
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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.