Home / 22,064.15-30,447.29-11,992.54

Finding the Fourth Proportional to 22,064.15, 30,447.29 and 11,992.54

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Solution

The fourth proportional to 22,064.15, 30,447.29 and 11,992.54 is: 16,549.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,064.15 : 30,447.29 = 11,992.54 : x
  2. Step 2: Convert to fraction form
    22,064.15/30,447.29 = 11,992.54/x
  3. Step 3: Cross multiply
    22,064.15x = 30,447.29 × 11,992.54
  4. Step 4: Simplify right side
    22,064.15x = 365,140,343.22
  5. Step 5: Solve for x
    x = 365,140,343.22/22,064.15
  6. Step 6: Final answer
    x = 16,549.03

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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.