Home / 22,071.35-30,458.43-11,999.76

Finding the Fourth Proportional to 22,071.35, 30,458.43 and 11,999.76

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Solution

The fourth proportional to 22,071.35, 30,458.43 and 11,999.76 is: 16,559.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,071.35 : 30,458.43 = 11,999.76 : x
  2. Step 2: Convert to fraction form
    22,071.35/30,458.43 = 11,999.76/x
  3. Step 3: Cross multiply
    22,071.35x = 30,458.43 × 11,999.76
  4. Step 4: Simplify right side
    22,071.35x = 365,493,849.98
  5. Step 5: Solve for x
    x = 365,493,849.98/22,071.35
  6. Step 6: Final answer
    x = 16,559.65

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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.