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Finding the Fourth Proportional to 14,354.70, 19,796.71 and 9,314.11

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Solution

The fourth proportional to 14,354.70, 19,796.71 and 9,314.11 is: 12,845.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,354.70 : 19,796.71 = 9,314.11 : x
  2. Step 2: Convert to fraction form
    14,354.70/19,796.71 = 9,314.11/x
  3. Step 3: Cross multiply
    14,354.70x = 19,796.71 × 9,314.11
  4. Step 4: Simplify right side
    14,354.70x = 184,388,734.58
  5. Step 5: Solve for x
    x = 184,388,734.58/14,354.70
  6. Step 6: Final answer
    x = 12,845.18

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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.