Home / 22,243.15-30,692.51-13,288.76

Finding the Fourth Proportional to 22,243.15, 30,692.51 and 13,288.76

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Solution

The fourth proportional to 22,243.15, 30,692.51 and 13,288.76 is: 18,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,243.15 : 30,692.51 = 13,288.76 : x
  2. Step 2: Convert to fraction form
    22,243.15/30,692.51 = 13,288.76/x
  3. Step 3: Cross multiply
    22,243.15x = 30,692.51 × 13,288.76
  4. Step 4: Simplify right side
    22,243.15x = 407,865,245.73
  5. Step 5: Solve for x
    x = 407,865,245.73/22,243.15
  6. Step 6: Final answer
    x = 18,336.67

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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.