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Finding the Fourth Proportional to 14,363.92, 19,805.87 and 10,113.62

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Solution

The fourth proportional to 14,363.92, 19,805.87 and 10,113.62 is: 13,945.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,363.92 : 19,805.87 = 10,113.62 : x
  2. Step 2: Convert to fraction form
    14,363.92/19,805.87 = 10,113.62/x
  3. Step 3: Cross multiply
    14,363.92x = 19,805.87 × 10,113.62
  4. Step 4: Simplify right side
    14,363.92x = 200,309,041.90
  5. Step 5: Solve for x
    x = 200,309,041.90/14,363.92
  6. Step 6: Final answer
    x = 13,945.29

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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.