Home / 19,371.42-29,036.04-8,134.02

Finding the Fourth Proportional to 19,371.42, 29,036.04 and 8,134.02

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Solution

The fourth proportional to 19,371.42, 29,036.04 and 8,134.02 is: 12,192.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,371.42 : 29,036.04 = 8,134.02 : x
  2. Step 2: Convert to fraction form
    19,371.42/29,036.04 = 8,134.02/x
  3. Step 3: Cross multiply
    19,371.42x = 29,036.04 × 8,134.02
  4. Step 4: Simplify right side
    19,371.42x = 236,179,730.08
  5. Step 5: Solve for x
    x = 236,179,730.08/19,371.42
  6. Step 6: Final answer
    x = 12,192.17

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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.