Home / 22,252.86-30,712.32-12,692.70

Finding the Fourth Proportional to 22,252.86, 30,712.32 and 12,692.70

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Solution

The fourth proportional to 22,252.86, 30,712.32 and 12,692.70 is: 17,517.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,252.86 : 30,712.32 = 12,692.70 : x
  2. Step 2: Convert to fraction form
    22,252.86/30,712.32 = 12,692.70/x
  3. Step 3: Cross multiply
    22,252.86x = 30,712.32 × 12,692.70
  4. Step 4: Simplify right side
    22,252.86x = 389,822,264.06
  5. Step 5: Solve for x
    x = 389,822,264.06/22,252.86
  6. Step 6: Final answer
    x = 17,517.85

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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.