Home / 21,224.64-29,291.04-11,793

Finding the Fourth Proportional to 21,224.64, 29,291.04 and 11,793

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Solution

The fourth proportional to 21,224.64, 29,291.04 and 11,793 is: 16,274.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,224.64 : 29,291.04 = 11,793 : x
  2. Step 2: Convert to fraction form
    21,224.64/29,291.04 = 11,793/x
  3. Step 3: Cross multiply
    21,224.64x = 29,291.04 × 11,793
  4. Step 4: Simplify right side
    21,224.64x = 345,429,234.72
  5. Step 5: Solve for x
    x = 345,429,234.72/21,224.64
  6. Step 6: Final answer
    x = 16,274.92

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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.