Home / 19,635.44-29,435.72-7,153.13

Finding the Fourth Proportional to 19,635.44, 29,435.72 and 7,153.13

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Solution

The fourth proportional to 19,635.44, 29,435.72 and 7,153.13 is: 10,723.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,635.44 : 29,435.72 = 7,153.13 : x
  2. Step 2: Convert to fraction form
    19,635.44/29,435.72 = 7,153.13/x
  3. Step 3: Cross multiply
    19,635.44x = 29,435.72 × 7,153.13
  4. Step 4: Simplify right side
    19,635.44x = 210,557,348.86
  5. Step 5: Solve for x
    x = 210,557,348.86/19,635.44
  6. Step 6: Final answer
    x = 10,723.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.