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Finding the Fourth Proportional to 18,193.41, 25,101.90 and 10,235.16

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Solution

The fourth proportional to 18,193.41, 25,101.90 and 10,235.16 is: 14,121.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,193.41 : 25,101.90 = 10,235.16 : x
  2. Step 2: Convert to fraction form
    18,193.41/25,101.90 = 10,235.16/x
  3. Step 3: Cross multiply
    18,193.41x = 25,101.90 × 10,235.16
  4. Step 4: Simplify right side
    18,193.41x = 256,921,962.80
  5. Step 5: Solve for x
    x = 256,921,962.80/18,193.41
  6. Step 6: Final answer
    x = 14,121.70

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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.