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Finding the Fourth Proportional to 19,705.77, 27,193.77 and 10,753.34

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Solution

The fourth proportional to 19,705.77, 27,193.77 and 10,753.34 is: 14,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.77 : 27,193.77 = 10,753.34 : x
  2. Step 2: Convert to fraction form
    19,705.77/27,193.77 = 10,753.34/x
  3. Step 3: Cross multiply
    19,705.77x = 27,193.77 × 10,753.34
  4. Step 4: Simplify right side
    19,705.77x = 292,423,718.72
  5. Step 5: Solve for x
    x = 292,423,718.72/19,705.77
  6. Step 6: Final answer
    x = 14,839.50

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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.