Home / 19,356.42-29,052.45-11,975.30

Finding the Fourth Proportional to 19,356.42, 29,052.45 and 11,975.30

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Solution

The fourth proportional to 19,356.42, 29,052.45 and 11,975.30 is: 17,973.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,356.42 : 29,052.45 = 11,975.30 : x
  2. Step 2: Convert to fraction form
    19,356.42/29,052.45 = 11,975.30/x
  3. Step 3: Cross multiply
    19,356.42x = 29,052.45 × 11,975.30
  4. Step 4: Simplify right side
    19,356.42x = 347,911,659.22
  5. Step 5: Solve for x
    x = 347,911,659.22/19,356.42
  6. Step 6: Final answer
    x = 17,973.97

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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.