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Finding the Fourth Proportional to 14,451.66, 21,714.03 and 13,868.46

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Solution

The fourth proportional to 14,451.66, 21,714.03 and 13,868.46 is: 20,837.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,451.66 : 21,714.03 = 13,868.46 : x
  2. Step 2: Convert to fraction form
    14,451.66/21,714.03 = 13,868.46/x
  3. Step 3: Cross multiply
    14,451.66x = 21,714.03 × 13,868.46
  4. Step 4: Simplify right side
    14,451.66x = 301,140,156.49
  5. Step 5: Solve for x
    x = 301,140,156.49/14,451.66
  6. Step 6: Final answer
    x = 20,837.76

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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.