Home / 16,783.85-25,175.78-7,992.11

Finding the Fourth Proportional to 16,783.85, 25,175.78 and 7,992.11

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Solution

The fourth proportional to 16,783.85, 25,175.78 and 7,992.11 is: 11,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,783.85 : 25,175.78 = 7,992.11 : x
  2. Step 2: Convert to fraction form
    16,783.85/25,175.78 = 7,992.11/x
  3. Step 3: Cross multiply
    16,783.85x = 25,175.78 × 7,992.11
  4. Step 4: Simplify right side
    16,783.85x = 201,207,656.05
  5. Step 5: Solve for x
    x = 201,207,656.05/16,783.85
  6. Step 6: Final answer
    x = 11,988.17

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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.