Home / 22,692.46-31,315.62-12,620.66

Finding the Fourth Proportional to 22,692.46, 31,315.62 and 12,620.66

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Solution

The fourth proportional to 22,692.46, 31,315.62 and 12,620.66 is: 17,416.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.46 : 31,315.62 = 12,620.66 : x
  2. Step 2: Convert to fraction form
    22,692.46/31,315.62 = 12,620.66/x
  3. Step 3: Cross multiply
    22,692.46x = 31,315.62 × 12,620.66
  4. Step 4: Simplify right side
    22,692.46x = 395,223,792.71
  5. Step 5: Solve for x
    x = 395,223,792.71/22,692.46
  6. Step 6: Final answer
    x = 17,416.52

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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.