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Finding the Fourth Proportional to 18,043.50, 24,898.28 and 11,326.98

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Solution

The fourth proportional to 18,043.50, 24,898.28 and 11,326.98 is: 15,630.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,043.50 : 24,898.28 = 11,326.98 : x
  2. Step 2: Convert to fraction form
    18,043.50/24,898.28 = 11,326.98/x
  3. Step 3: Cross multiply
    18,043.50x = 24,898.28 × 11,326.98
  4. Step 4: Simplify right side
    18,043.50x = 282,022,319.59
  5. Step 5: Solve for x
    x = 282,022,319.59/18,043.50
  6. Step 6: Final answer
    x = 15,630.13

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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.