Home / 36,157.36-54,235.48-12,783.92

Finding the Fourth Proportional to 36,157.36, 54,235.48 and 12,783.92

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Solution

The fourth proportional to 36,157.36, 54,235.48 and 12,783.92 is: 19,175.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,157.36 : 54,235.48 = 12,783.92 : x
  2. Step 2: Convert to fraction form
    36,157.36/54,235.48 = 12,783.92/x
  3. Step 3: Cross multiply
    36,157.36x = 54,235.48 × 12,783.92
  4. Step 4: Simplify right side
    36,157.36x = 693,342,037.48
  5. Step 5: Solve for x
    x = 693,342,037.48/36,157.36
  6. Step 6: Final answer
    x = 19,175.68

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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.