Home / 13,099.66-19,649.50-3,239.03

Finding the Fourth Proportional to 13,099.66, 19,649.50 and 3,239.03

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Solution

The fourth proportional to 13,099.66, 19,649.50 and 3,239.03 is: 4,858.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,099.66 : 19,649.50 = 3,239.03 : x
  2. Step 2: Convert to fraction form
    13,099.66/19,649.50 = 3,239.03/x
  3. Step 3: Cross multiply
    13,099.66x = 19,649.50 × 3,239.03
  4. Step 4: Simplify right side
    13,099.66x = 63,645,361.01
  5. Step 5: Solve for x
    x = 63,645,361.01/13,099.66
  6. Step 6: Final answer
    x = 4,858.55

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.