Home / 22,125.76-30,536.56-12,692.48

Finding the Fourth Proportional to 22,125.76, 30,536.56 and 12,692.48

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Solution

The fourth proportional to 22,125.76, 30,536.56 and 12,692.48 is: 17,517.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,125.76 : 30,536.56 = 12,692.48 : x
  2. Step 2: Convert to fraction form
    22,125.76/30,536.56 = 12,692.48/x
  3. Step 3: Cross multiply
    22,125.76x = 30,536.56 × 12,692.48
  4. Step 4: Simplify right side
    22,125.76x = 387,584,677.07
  5. Step 5: Solve for x
    x = 387,584,677.07/22,125.76
  6. Step 6: Final answer
    x = 17,517.35

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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.