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Finding the Fourth Proportional to 14,159.56, 19,541.22 and 8,494.56

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Solution

The fourth proportional to 14,159.56, 19,541.22 and 8,494.56 is: 11,723.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.56 : 19,541.22 = 8,494.56 : x
  2. Step 2: Convert to fraction form
    14,159.56/19,541.22 = 8,494.56/x
  3. Step 3: Cross multiply
    14,159.56x = 19,541.22 × 8,494.56
  4. Step 4: Simplify right side
    14,159.56x = 165,994,065.76
  5. Step 5: Solve for x
    x = 165,994,065.76/14,159.56
  6. Step 6: Final answer
    x = 11,723.11

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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.