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Finding the Fourth Proportional to 19,493.25, 26,899.05 and 11,534.08

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Solution

The fourth proportional to 19,493.25, 26,899.05 and 11,534.08 is: 15,916.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,493.25 : 26,899.05 = 11,534.08 : x
  2. Step 2: Convert to fraction form
    19,493.25/26,899.05 = 11,534.08/x
  3. Step 3: Cross multiply
    19,493.25x = 26,899.05 × 11,534.08
  4. Step 4: Simplify right side
    19,493.25x = 310,255,794.62
  5. Step 5: Solve for x
    x = 310,255,794.62/19,493.25
  6. Step 6: Final answer
    x = 15,916.06

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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.