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Finding the Fourth Proportional to 19,705.59, 27,193.62 and 10,753.07

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Solution

The fourth proportional to 19,705.59, 27,193.62 and 10,753.07 is: 14,839.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.59 : 27,193.62 = 10,753.07 : x
  2. Step 2: Convert to fraction form
    19,705.59/27,193.62 = 10,753.07/x
  3. Step 3: Cross multiply
    19,705.59x = 27,193.62 × 10,753.07
  4. Step 4: Simplify right side
    19,705.59x = 292,414,763.45
  5. Step 5: Solve for x
    x = 292,414,763.45/19,705.59
  6. Step 6: Final answer
    x = 14,839.18

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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.