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Finding the Fourth Proportional to 14,588.62, 20,130.27 and 8,214.14

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Solution

The fourth proportional to 14,588.62, 20,130.27 and 8,214.14 is: 11,334.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.62 : 20,130.27 = 8,214.14 : x
  2. Step 2: Convert to fraction form
    14,588.62/20,130.27 = 8,214.14/x
  3. Step 3: Cross multiply
    14,588.62x = 20,130.27 × 8,214.14
  4. Step 4: Simplify right side
    14,588.62x = 165,352,856.02
  5. Step 5: Solve for x
    x = 165,352,856.02/14,588.62
  6. Step 6: Final answer
    x = 11,334.37

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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.