Home / 19,512.08-29,268.22-7,822.56

Finding the Fourth Proportional to 19,512.08, 29,268.22 and 7,822.56

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Solution

The fourth proportional to 19,512.08, 29,268.22 and 7,822.56 is: 11,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,512.08 : 29,268.22 = 7,822.56 : x
  2. Step 2: Convert to fraction form
    19,512.08/29,268.22 = 7,822.56/x
  3. Step 3: Cross multiply
    19,512.08x = 29,268.22 × 7,822.56
  4. Step 4: Simplify right side
    19,512.08x = 228,952,407.04
  5. Step 5: Solve for x
    x = 228,952,407.04/19,512.08
  6. Step 6: Final answer
    x = 11,733.88

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1.5x scale

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.