Home / 22,242.24-30,692.70-13,289.58

Finding the Fourth Proportional to 22,242.24, 30,692.70 and 13,289.58

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Solution

The fourth proportional to 22,242.24, 30,692.70 and 13,289.58 is: 18,338.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.24 : 30,692.70 = 13,289.58 : x
  2. Step 2: Convert to fraction form
    22,242.24/30,692.70 = 13,289.58/x
  3. Step 3: Cross multiply
    22,242.24x = 30,692.70 × 13,289.58
  4. Step 4: Simplify right side
    22,242.24x = 407,893,092.07
  5. Step 5: Solve for x
    x = 407,893,092.07/22,242.24
  6. Step 6: Final answer
    x = 18,338.67

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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.