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Finding the Fourth Proportional to 14,097.76, 19,449.84 and 8,506.72

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Solution

The fourth proportional to 14,097.76, 19,449.84 and 8,506.72 is: 11,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,097.76 : 19,449.84 = 8,506.72 : x
  2. Step 2: Convert to fraction form
    14,097.76/19,449.84 = 8,506.72/x
  3. Step 3: Cross multiply
    14,097.76x = 19,449.84 × 8,506.72
  4. Step 4: Simplify right side
    14,097.76x = 165,454,342.92
  5. Step 5: Solve for x
    x = 165,454,342.92/14,097.76
  6. Step 6: Final answer
    x = 11,736.22

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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.