Home / 19,539.56-29,297.46-7,679.12

Finding the Fourth Proportional to 19,539.56, 29,297.46 and 7,679.12

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Solution

The fourth proportional to 19,539.56, 29,297.46 and 7,679.12 is: 11,514.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.56 : 29,297.46 = 7,679.12 : x
  2. Step 2: Convert to fraction form
    19,539.56/29,297.46 = 7,679.12/x
  3. Step 3: Cross multiply
    19,539.56x = 29,297.46 × 7,679.12
  4. Step 4: Simplify right side
    19,539.56x = 224,978,711.04
  5. Step 5: Solve for x
    x = 224,978,711.04/19,539.56
  6. Step 6: Final answer
    x = 11,514.01

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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.