Home / 22,235.45-30,692.75-13,744.08

Finding the Fourth Proportional to 22,235.45, 30,692.75 and 13,744.08

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Solution

The fourth proportional to 22,235.45, 30,692.75 and 13,744.08 is: 18,971.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,235.45 : 30,692.75 = 13,744.08 : x
  2. Step 2: Convert to fraction form
    22,235.45/30,692.75 = 13,744.08/x
  3. Step 3: Cross multiply
    22,235.45x = 30,692.75 × 13,744.08
  4. Step 4: Simplify right side
    22,235.45x = 421,843,542.70
  5. Step 5: Solve for x
    x = 421,843,542.70/22,235.45
  6. Step 6: Final answer
    x = 18,971.67

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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.