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Finding the Fourth Proportional to 14,391.46, 19,859.91 and 8,018.04

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Solution

The fourth proportional to 14,391.46, 19,859.91 and 8,018.04 is: 11,064.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,391.46 : 19,859.91 = 8,018.04 : x
  2. Step 2: Convert to fraction form
    14,391.46/19,859.91 = 8,018.04/x
  3. Step 3: Cross multiply
    14,391.46x = 19,859.91 × 8,018.04
  4. Step 4: Simplify right side
    14,391.46x = 159,237,552.78
  5. Step 5: Solve for x
    x = 159,237,552.78/14,391.46
  6. Step 6: Final answer
    x = 11,064.73

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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.