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Finding the Fourth Proportional to 22,356.70, 30,843.41 and 14,403.56

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Solution

The fourth proportional to 22,356.70, 30,843.41 and 14,403.56 is: 19,871.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,356.70 : 30,843.41 = 14,403.56 : x
  2. Step 2: Convert to fraction form
    22,356.70/30,843.41 = 14,403.56/x
  3. Step 3: Cross multiply
    22,356.70x = 30,843.41 × 14,403.56
  4. Step 4: Simplify right side
    22,356.70x = 444,254,911.63
  5. Step 5: Solve for x
    x = 444,254,911.63/22,356.70
  6. Step 6: Final answer
    x = 19,871.22

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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.