Home / 13,134.04-19,710.30-11,879.24

Finding the Fourth Proportional to 13,134.04, 19,710.30 and 11,879.24

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Solution

The fourth proportional to 13,134.04, 19,710.30 and 11,879.24 is: 17,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,134.04 : 19,710.30 = 11,879.24 : x
  2. Step 2: Convert to fraction form
    13,134.04/19,710.30 = 11,879.24/x
  3. Step 3: Cross multiply
    13,134.04x = 19,710.30 × 11,879.24
  4. Step 4: Simplify right side
    13,134.04x = 234,143,384.17
  5. Step 5: Solve for x
    x = 234,143,384.17/13,134.04
  6. Step 6: Final answer
    x = 17,827.22

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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.