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Finding the Fourth Proportional to 19,214.88, 26,516.88 and 10,717.44

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Solution

The fourth proportional to 19,214.88, 26,516.88 and 10,717.44 is: 14,790.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,214.88 : 26,516.88 = 10,717.44 : x
  2. Step 2: Convert to fraction form
    19,214.88/26,516.88 = 10,717.44/x
  3. Step 3: Cross multiply
    19,214.88x = 26,516.88 × 10,717.44
  4. Step 4: Simplify right side
    19,214.88x = 284,193,070.39
  5. Step 5: Solve for x
    x = 284,193,070.39/19,214.88
  6. Step 6: Final answer
    x = 14,790.26

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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.