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Finding the Fourth Proportional to 14,858.88, 20,506.68 and 8,892.24

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Solution

The fourth proportional to 14,858.88, 20,506.68 and 8,892.24 is: 12,272.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,858.88 : 20,506.68 = 8,892.24 : x
  2. Step 2: Convert to fraction form
    14,858.88/20,506.68 = 8,892.24/x
  3. Step 3: Cross multiply
    14,858.88x = 20,506.68 × 8,892.24
  4. Step 4: Simplify right side
    14,858.88x = 182,350,320.16
  5. Step 5: Solve for x
    x = 182,350,320.16/14,858.88
  6. Step 6: Final answer
    x = 12,272.14

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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.