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Finding the Fourth Proportional to 14,263.21, 19,691 and 8,599.42

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Solution

The fourth proportional to 14,263.21, 19,691 and 8,599.42 is: 11,871.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.21 : 19,691 = 8,599.42 : x
  2. Step 2: Convert to fraction form
    14,263.21/19,691 = 8,599.42/x
  3. Step 3: Cross multiply
    14,263.21x = 19,691 × 8,599.42
  4. Step 4: Simplify right side
    14,263.21x = 169,331,179.22
  5. Step 5: Solve for x
    x = 169,331,179.22/14,263.21
  6. Step 6: Final answer
    x = 11,871.88

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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.