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Finding the Fourth Proportional to 18,074.92, 24,943.39 and 10,117.15

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Solution

The fourth proportional to 18,074.92, 24,943.39 and 10,117.15 is: 13,961.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,074.92 : 24,943.39 = 10,117.15 : x
  2. Step 2: Convert to fraction form
    18,074.92/24,943.39 = 10,117.15/x
  3. Step 3: Cross multiply
    18,074.92x = 24,943.39 × 10,117.15
  4. Step 4: Simplify right side
    18,074.92x = 252,356,018.14
  5. Step 5: Solve for x
    x = 252,356,018.14/18,074.92
  6. Step 6: Final answer
    x = 13,961.67

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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.