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Finding the Fourth Proportional to 19,137, 26,409.20 and 10,753.50

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Solution

The fourth proportional to 19,137, 26,409.20 and 10,753.50 is: 14,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,137 : 26,409.20 = 10,753.50 : x
  2. Step 2: Convert to fraction form
    19,137/26,409.20 = 10,753.50/x
  3. Step 3: Cross multiply
    19,137x = 26,409.20 × 10,753.50
  4. Step 4: Simplify right side
    19,137x = 283,991,278.43
  5. Step 5: Solve for x
    x = 283,991,278.43/19,137
  6. Step 6: Final answer
    x = 14,839.91

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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.