Home / 13,507.16-20,260.74-11,193.80

Finding the Fourth Proportional to 13,507.16, 20,260.74 and 11,193.80

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Solution

The fourth proportional to 13,507.16, 20,260.74 and 11,193.80 is: 16,790.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,507.16 : 20,260.74 = 11,193.80 : x
  2. Step 2: Convert to fraction form
    13,507.16/20,260.74 = 11,193.80/x
  3. Step 3: Cross multiply
    13,507.16x = 20,260.74 × 11,193.80
  4. Step 4: Simplify right side
    13,507.16x = 226,794,671.41
  5. Step 5: Solve for x
    x = 226,794,671.41/13,507.16
  6. Step 6: Final answer
    x = 16,790.70

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