Home / 19,927.49-29,924.51-12,448.42

Finding the Fourth Proportional to 19,927.49, 29,924.51 and 12,448.42

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Solution

The fourth proportional to 19,927.49, 29,924.51 and 12,448.42 is: 18,693.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.49 : 29,924.51 = 12,448.42 : x
  2. Step 2: Convert to fraction form
    19,927.49/29,924.51 = 12,448.42/x
  3. Step 3: Cross multiply
    19,927.49x = 29,924.51 × 12,448.42
  4. Step 4: Simplify right side
    19,927.49x = 372,512,731.72
  5. Step 5: Solve for x
    x = 372,512,731.72/19,927.49
  6. Step 6: Final answer
    x = 18,693.41

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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.