Home / 22,692.16-31,313.82-12,620.08

Finding the Fourth Proportional to 22,692.16, 31,313.82 and 12,620.08

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Solution

The fourth proportional to 22,692.16, 31,313.82 and 12,620.08 is: 17,414.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,692.16 : 31,313.82 = 12,620.08 : x
  2. Step 2: Convert to fraction form
    22,692.16/31,313.82 = 12,620.08/x
  3. Step 3: Cross multiply
    22,692.16x = 31,313.82 × 12,620.08
  4. Step 4: Simplify right side
    22,692.16x = 395,182,913.51
  5. Step 5: Solve for x
    x = 395,182,913.51/22,692.16
  6. Step 6: Final answer
    x = 17,414.95

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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.