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Finding the Fourth Proportional to 19,226.08, 26,531.84 and 10,394.08

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Solution

The fourth proportional to 19,226.08, 26,531.84 and 10,394.08 is: 14,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,226.08 : 26,531.84 = 10,394.08 : x
  2. Step 2: Convert to fraction form
    19,226.08/26,531.84 = 10,394.08/x
  3. Step 3: Cross multiply
    19,226.08x = 26,531.84 × 10,394.08
  4. Step 4: Simplify right side
    19,226.08x = 275,774,067.51
  5. Step 5: Solve for x
    x = 275,774,067.51/19,226.08
  6. Step 6: Final answer
    x = 14,343.75

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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.