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Finding the Fourth Proportional to 22,101.50, 30,504.03 and 14,143.46

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Solution

The fourth proportional to 22,101.50, 30,504.03 and 14,143.46 is: 19,520.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.50 : 30,504.03 = 14,143.46 : x
  2. Step 2: Convert to fraction form
    22,101.50/30,504.03 = 14,143.46/x
  3. Step 3: Cross multiply
    22,101.50x = 30,504.03 × 14,143.46
  4. Step 4: Simplify right side
    22,101.50x = 431,432,322.59
  5. Step 5: Solve for x
    x = 431,432,322.59/22,101.50
  6. Step 6: Final answer
    x = 19,520.50

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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.