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Finding the Fourth Proportional to 14,064.18, 19,408.44 and 8,015.16

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Solution

The fourth proportional to 14,064.18, 19,408.44 and 8,015.16 is: 11,060.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,064.18 : 19,408.44 = 8,015.16 : x
  2. Step 2: Convert to fraction form
    14,064.18/19,408.44 = 8,015.16/x
  3. Step 3: Cross multiply
    14,064.18x = 19,408.44 × 8,015.16
  4. Step 4: Simplify right side
    14,064.18x = 155,561,751.95
  5. Step 5: Solve for x
    x = 155,561,751.95/14,064.18
  6. Step 6: Final answer
    x = 11,060.85

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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.