Home / 19,705.56-27,193.44-10,753.21

Finding the Fourth Proportional to 19,705.56, 27,193.44 and 10,753.21

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Solution

The fourth proportional to 19,705.56, 27,193.44 and 10,753.21 is: 14,839.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,705.56 : 27,193.44 = 10,753.21 : x
  2. Step 2: Convert to fraction form
    19,705.56/27,193.44 = 10,753.21/x
  3. Step 3: Cross multiply
    19,705.56x = 27,193.44 × 10,753.21
  4. Step 4: Simplify right side
    19,705.56x = 292,416,845.26
  5. Step 5: Solve for x
    x = 292,416,845.26/19,705.56
  6. Step 6: Final answer
    x = 14,839.31

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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.