Home / 14,211.60-19,611.96-8,246.76

Finding the Fourth Proportional to 14,211.60, 19,611.96 and 8,246.76

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Solution

The fourth proportional to 14,211.60, 19,611.96 and 8,246.76 is: 11,380.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,211.60 : 19,611.96 = 8,246.76 : x
  2. Step 2: Convert to fraction form
    14,211.60/19,611.96 = 8,246.76/x
  3. Step 3: Cross multiply
    14,211.60x = 19,611.96 × 8,246.76
  4. Step 4: Simplify right side
    14,211.60x = 161,735,127.25
  5. Step 5: Solve for x
    x = 161,735,127.25/14,211.60
  6. Step 6: Final answer
    x = 11,380.50

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Half scale
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Double scale
Find fourth proportional to 14,212.60, 19,613.34 and 8,247.76
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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.