Home / 22,057.42-30,439.37-11,985.94

Finding the Fourth Proportional to 22,057.42, 30,439.37 and 11,985.94

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Solution

The fourth proportional to 22,057.42, 30,439.37 and 11,985.94 is: 16,540.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,057.42 : 30,439.37 = 11,985.94 : x
  2. Step 2: Convert to fraction form
    22,057.42/30,439.37 = 11,985.94/x
  3. Step 3: Cross multiply
    22,057.42x = 30,439.37 × 11,985.94
  4. Step 4: Simplify right side
    22,057.42x = 364,844,462.46
  5. Step 5: Solve for x
    x = 364,844,462.46/22,057.42
  6. Step 6: Final answer
    x = 16,540.67

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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.