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Finding the Fourth Proportional to 14,495.74, 21,752.43 and 7,923.34

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Solution

The fourth proportional to 14,495.74, 21,752.43 and 7,923.34 is: 11,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,495.74 : 21,752.43 = 7,923.34 : x
  2. Step 2: Convert to fraction form
    14,495.74/21,752.43 = 7,923.34/x
  3. Step 3: Cross multiply
    14,495.74x = 21,752.43 × 7,923.34
  4. Step 4: Simplify right side
    14,495.74x = 172,351,898.72
  5. Step 5: Solve for x
    x = 172,351,898.72/14,495.74
  6. Step 6: Final answer
    x = 11,889.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.