Home / 13,796.24-19,038.63-8,131.23

Finding the Fourth Proportional to 13,796.24, 19,038.63 and 8,131.23

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Solution

The fourth proportional to 13,796.24, 19,038.63 and 8,131.23 is: 11,221.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,796.24 : 19,038.63 = 8,131.23 : x
  2. Step 2: Convert to fraction form
    13,796.24/19,038.63 = 8,131.23/x
  3. Step 3: Cross multiply
    13,796.24x = 19,038.63 × 8,131.23
  4. Step 4: Simplify right side
    13,796.24x = 154,807,509.91
  5. Step 5: Solve for x
    x = 154,807,509.91/13,796.24
  6. Step 6: Final answer
    x = 11,221.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.