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Finding the Fourth Proportional to 14,401.04, 19,873 and 8,113.04

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Solution

The fourth proportional to 14,401.04, 19,873 and 8,113.04 is: 11,195.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,401.04 : 19,873 = 8,113.04 : x
  2. Step 2: Convert to fraction form
    14,401.04/19,873 = 8,113.04/x
  3. Step 3: Cross multiply
    14,401.04x = 19,873 × 8,113.04
  4. Step 4: Simplify right side
    14,401.04x = 161,230,443.92
  5. Step 5: Solve for x
    x = 161,230,443.92/14,401.04
  6. Step 6: Final answer
    x = 11,195.75

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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.