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Finding the Fourth Proportional to 18,892.26, 26,070.21 and 10,933.92

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Solution

The fourth proportional to 18,892.26, 26,070.21 and 10,933.92 is: 15,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,892.26 : 26,070.21 = 10,933.92 : x
  2. Step 2: Convert to fraction form
    18,892.26/26,070.21 = 10,933.92/x
  3. Step 3: Cross multiply
    18,892.26x = 26,070.21 × 10,933.92
  4. Step 4: Simplify right side
    18,892.26x = 285,049,590.52
  5. Step 5: Solve for x
    x = 285,049,590.52/18,892.26
  6. Step 6: Final answer
    x = 15,088.17

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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.