Home / 19,396.94-29,055.04-12,342.01

Finding the Fourth Proportional to 19,396.94, 29,055.04 and 12,342.01

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Solution

The fourth proportional to 19,396.94, 29,055.04 and 12,342.01 is: 18,487.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,396.94 : 29,055.04 = 12,342.01 : x
  2. Step 2: Convert to fraction form
    19,396.94/29,055.04 = 12,342.01/x
  3. Step 3: Cross multiply
    19,396.94x = 29,055.04 × 12,342.01
  4. Step 4: Simplify right side
    19,396.94x = 358,597,448.96
  5. Step 5: Solve for x
    x = 358,597,448.96/19,396.94
  6. Step 6: Final answer
    x = 18,487.32

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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.