Home / 22,238.99-30,692.75-12,682.34

Finding the Fourth Proportional to 22,238.99, 30,692.75 and 12,682.34

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Solution

The fourth proportional to 22,238.99, 30,692.75 and 12,682.34 is: 17,503.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238.99 : 30,692.75 = 12,682.34 : x
  2. Step 2: Convert to fraction form
    22,238.99/30,692.75 = 12,682.34/x
  3. Step 3: Cross multiply
    22,238.99x = 30,692.75 × 12,682.34
  4. Step 4: Simplify right side
    22,238.99x = 389,255,674.16
  5. Step 5: Solve for x
    x = 389,255,674.16/22,238.99
  6. Step 6: Final answer
    x = 17,503.30

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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.