Home / 19,849.94-29,893.73-18,078.47

Finding the Fourth Proportional to 19,849.94, 29,893.73 and 18,078.47

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Solution

The fourth proportional to 19,849.94, 29,893.73 and 18,078.47 is: 27,225.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,849.94 : 29,893.73 = 18,078.47 : x
  2. Step 2: Convert to fraction form
    19,849.94/29,893.73 = 18,078.47/x
  3. Step 3: Cross multiply
    19,849.94x = 29,893.73 × 18,078.47
  4. Step 4: Simplify right side
    19,849.94x = 540,432,796.72
  5. Step 5: Solve for x
    x = 540,432,796.72/19,849.94
  6. Step 6: Final answer
    x = 27,225.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.