Home / 18,270.77-25,213.03-10,204.85

Finding the Fourth Proportional to 18,270.77, 25,213.03 and 10,204.85

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Solution

The fourth proportional to 18,270.77, 25,213.03 and 10,204.85 is: 14,082.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.77 : 25,213.03 = 10,204.85 : x
  2. Step 2: Convert to fraction form
    18,270.77/25,213.03 = 10,204.85/x
  3. Step 3: Cross multiply
    18,270.77x = 25,213.03 × 10,204.85
  4. Step 4: Simplify right side
    18,270.77x = 257,295,037.62
  5. Step 5: Solve for x
    x = 257,295,037.62/18,270.77
  6. Step 6: Final answer
    x = 14,082.34

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Half scale
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Double scale
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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.