Home / 19,643.00-29,453.31-13,410.51

Finding the Fourth Proportional to 19,643.00, 29,453.31 and 13,410.51

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Solution

The fourth proportional to 19,643.00, 29,453.31 and 13,410.51 is: 20,108.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,643.00 : 29,453.31 = 13,410.51 : x
  2. Step 2: Convert to fraction form
    19,643.00/29,453.31 = 13,410.51/x
  3. Step 3: Cross multiply
    19,643.00x = 29,453.31 × 13,410.51
  4. Step 4: Simplify right side
    19,643.00x = 394,983,908.29
  5. Step 5: Solve for x
    x = 394,983,908.29/19,643.00
  6. Step 6: Final answer
    x = 20,108.13

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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.