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Finding the Fourth Proportional to 14,063.55, 19,408.88 and 8,097.15

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Solution

The fourth proportional to 14,063.55, 19,408.88 and 8,097.15 is: 11,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,063.55 : 19,408.88 = 8,097.15 : x
  2. Step 2: Convert to fraction form
    14,063.55/19,408.88 = 8,097.15/x
  3. Step 3: Cross multiply
    14,063.55x = 19,408.88 × 8,097.15
  4. Step 4: Simplify right side
    14,063.55x = 157,156,572.21
  5. Step 5: Solve for x
    x = 157,156,572.21/14,063.55
  6. Step 6: Final answer
    x = 11,174.74

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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.