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Finding the Fourth Proportional to 18,351, 25,326.01 and 10,393.74

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Solution

The fourth proportional to 18,351, 25,326.01 and 10,393.74 is: 14,344.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,351 : 25,326.01 = 10,393.74 : x
  2. Step 2: Convert to fraction form
    18,351/25,326.01 = 10,393.74/x
  3. Step 3: Cross multiply
    18,351x = 25,326.01 × 10,393.74
  4. Step 4: Simplify right side
    18,351x = 263,231,963.18
  5. Step 5: Solve for x
    x = 263,231,963.18/18,351
  6. Step 6: Final answer
    x = 14,344.28

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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.