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Finding the Fourth Proportional to 21,194.76, 29,252.81 and 14,024.82

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Solution

The fourth proportional to 21,194.76, 29,252.81 and 14,024.82 is: 19,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,194.76 : 29,252.81 = 14,024.82 : x
  2. Step 2: Convert to fraction form
    21,194.76/29,252.81 = 14,024.82/x
  3. Step 3: Cross multiply
    21,194.76x = 29,252.81 × 14,024.82
  4. Step 4: Simplify right side
    21,194.76x = 410,265,324.62
  5. Step 5: Solve for x
    x = 410,265,324.62/21,194.76
  6. Step 6: Final answer
    x = 19,356.92

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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.