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Finding the Fourth Proportional to 14,274.98, 19,699.48 and 8,310.63

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Solution

The fourth proportional to 14,274.98, 19,699.48 and 8,310.63 is: 11,468.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,274.98 : 19,699.48 = 8,310.63 : x
  2. Step 2: Convert to fraction form
    14,274.98/19,699.48 = 8,310.63/x
  3. Step 3: Cross multiply
    14,274.98x = 19,699.48 × 8,310.63
  4. Step 4: Simplify right side
    14,274.98x = 163,714,984.15
  5. Step 5: Solve for x
    x = 163,714,984.15/14,274.98
  6. Step 6: Final answer
    x = 11,468.66

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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.