Home / 21,153.33-29,181.22-17,794.91

Finding the Fourth Proportional to 21,153.33, 29,181.22 and 17,794.91

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Solution

The fourth proportional to 21,153.33, 29,181.22 and 17,794.91 is: 24,548.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,153.33 : 29,181.22 = 17,794.91 : x
  2. Step 2: Convert to fraction form
    21,153.33/29,181.22 = 17,794.91/x
  3. Step 3: Cross multiply
    21,153.33x = 29,181.22 × 17,794.91
  4. Step 4: Simplify right side
    21,153.33x = 519,277,212.06
  5. Step 5: Solve for x
    x = 519,277,212.06/21,153.33
  6. Step 6: Final answer
    x = 24,548.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.