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Finding the Fourth Proportional to 18,695.18, 25,799.01 and 10,197.32

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Solution

The fourth proportional to 18,695.18, 25,799.01 and 10,197.32 is: 14,072.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.18 : 25,799.01 = 10,197.32 : x
  2. Step 2: Convert to fraction form
    18,695.18/25,799.01 = 10,197.32/x
  3. Step 3: Cross multiply
    18,695.18x = 25,799.01 × 10,197.32
  4. Step 4: Simplify right side
    18,695.18x = 263,080,631.66
  5. Step 5: Solve for x
    x = 263,080,631.66/18,695.18
  6. Step 6: Final answer
    x = 14,072.11

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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.