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Finding the Fourth Proportional to 19,367.68, 26,726.88 and 11,410.44

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Solution

The fourth proportional to 19,367.68, 26,726.88 and 11,410.44 is: 15,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,367.68 : 26,726.88 = 11,410.44 : x
  2. Step 2: Convert to fraction form
    19,367.68/26,726.88 = 11,410.44/x
  3. Step 3: Cross multiply
    19,367.68x = 26,726.88 × 11,410.44
  4. Step 4: Simplify right side
    19,367.68x = 304,965,460.63
  5. Step 5: Solve for x
    x = 304,965,460.63/19,367.68
  6. Step 6: Final answer
    x = 15,746.10

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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.