Home / 19,509.40-29,268.76-6,361.79

Finding the Fourth Proportional to 19,509.40, 29,268.76 and 6,361.79

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Solution

The fourth proportional to 19,509.40, 29,268.76 and 6,361.79 is: 9,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,509.40 : 29,268.76 = 6,361.79 : x
  2. Step 2: Convert to fraction form
    19,509.40/29,268.76 = 6,361.79/x
  3. Step 3: Cross multiply
    19,509.40x = 29,268.76 × 6,361.79
  4. Step 4: Simplify right side
    19,509.40x = 186,201,542.43
  5. Step 5: Solve for x
    x = 186,201,542.43/19,509.40
  6. Step 6: Final answer
    x = 9,544.20

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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.