Home / 14,692.80-22,010.40-8,529.60

Finding the Fourth Proportional to 14,692.80, 22,010.40 and 8,529.60

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Solution

The fourth proportional to 14,692.80, 22,010.40 and 8,529.60 is: 12,777.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,692.80 : 22,010.40 = 8,529.60 : x
  2. Step 2: Convert to fraction form
    14,692.80/22,010.40 = 8,529.60/x
  3. Step 3: Cross multiply
    14,692.80x = 22,010.40 × 8,529.60
  4. Step 4: Simplify right side
    14,692.80x = 187,739,907.84
  5. Step 5: Solve for x
    x = 187,739,907.84/14,692.80
  6. Step 6: Final answer
    x = 12,777.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.