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Finding the Fourth Proportional to 18,523.08, 25,564.14 and 13,799.16

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Solution

The fourth proportional to 18,523.08, 25,564.14 and 13,799.16 is: 19,044.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,523.08 : 25,564.14 = 13,799.16 : x
  2. Step 2: Convert to fraction form
    18,523.08/25,564.14 = 13,799.16/x
  3. Step 3: Cross multiply
    18,523.08x = 25,564.14 × 13,799.16
  4. Step 4: Simplify right side
    18,523.08x = 352,763,658.12
  5. Step 5: Solve for x
    x = 352,763,658.12/18,523.08
  6. Step 6: Final answer
    x = 19,044.55

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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.