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Finding the Fourth Proportional to 13,163.16, 19,713.18 and 9,595.74

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Solution

The fourth proportional to 13,163.16, 19,713.18 and 9,595.74 is: 14,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.16 : 19,713.18 = 9,595.74 : x
  2. Step 2: Convert to fraction form
    13,163.16/19,713.18 = 9,595.74/x
  3. Step 3: Cross multiply
    13,163.16x = 19,713.18 × 9,595.74
  4. Step 4: Simplify right side
    13,163.16x = 189,162,549.85
  5. Step 5: Solve for x
    x = 189,162,549.85/13,163.16
  6. Step 6: Final answer
    x = 14,370.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.