Home / 19,922.42-29,883.66-5,131.37

Finding the Fourth Proportional to 19,922.42, 29,883.66 and 5,131.37

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Solution

The fourth proportional to 19,922.42, 29,883.66 and 5,131.37 is: 7,697.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,922.42 : 29,883.66 = 5,131.37 : x
  2. Step 2: Convert to fraction form
    19,922.42/29,883.66 = 5,131.37/x
  3. Step 3: Cross multiply
    19,922.42x = 29,883.66 × 5,131.37
  4. Step 4: Simplify right side
    19,922.42x = 153,344,090.76
  5. Step 5: Solve for x
    x = 153,344,090.76/19,922.42
  6. Step 6: Final answer
    x = 7,697.06

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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.