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Finding the Fourth Proportional to 14,206.59, 19,605.18 and 8,241.81

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Solution

The fourth proportional to 14,206.59, 19,605.18 and 8,241.81 is: 11,373.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,206.59 : 19,605.18 = 8,241.81 : x
  2. Step 2: Convert to fraction form
    14,206.59/19,605.18 = 8,241.81/x
  3. Step 3: Cross multiply
    14,206.59x = 19,605.18 × 8,241.81
  4. Step 4: Simplify right side
    14,206.59x = 161,582,168.58
  5. Step 5: Solve for x
    x = 161,582,168.58/14,206.59
  6. Step 6: Final answer
    x = 11,373.75

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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.