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Finding the Fourth Proportional to 19,347.97, 26,700.17 and 11,281.96

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Solution

The fourth proportional to 19,347.97, 26,700.17 and 11,281.96 is: 15,569.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,347.97 : 26,700.17 = 11,281.96 : x
  2. Step 2: Convert to fraction form
    19,347.97/26,700.17 = 11,281.96/x
  3. Step 3: Cross multiply
    19,347.97x = 26,700.17 × 11,281.96
  4. Step 4: Simplify right side
    19,347.97x = 301,230,211.39
  5. Step 5: Solve for x
    x = 301,230,211.39/19,347.97
  6. Step 6: Final answer
    x = 15,569.09

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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.