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Finding the Fourth Proportional to 14,374.44, 19,835.97 and 8,087.22

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Solution

The fourth proportional to 14,374.44, 19,835.97 and 8,087.22 is: 11,159.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,374.44 : 19,835.97 = 8,087.22 : x
  2. Step 2: Convert to fraction form
    14,374.44/19,835.97 = 8,087.22/x
  3. Step 3: Cross multiply
    14,374.44x = 19,835.97 × 8,087.22
  4. Step 4: Simplify right side
    14,374.44x = 160,417,853.30
  5. Step 5: Solve for x
    x = 160,417,853.30/14,374.44
  6. Step 6: Final answer
    x = 11,159.94

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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.