Home / 15,928.20-23,892.30-13,692.60

Finding the Fourth Proportional to 15,928.20, 23,892.30 and 13,692.60

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Solution

The fourth proportional to 15,928.20, 23,892.30 and 13,692.60 is: 20,538.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,928.20 : 23,892.30 = 13,692.60 : x
  2. Step 2: Convert to fraction form
    15,928.20/23,892.30 = 13,692.60/x
  3. Step 3: Cross multiply
    15,928.20x = 23,892.30 × 13,692.60
  4. Step 4: Simplify right side
    15,928.20x = 327,147,706.98
  5. Step 5: Solve for x
    x = 327,147,706.98/15,928.20
  6. Step 6: Final answer
    x = 20,538.90

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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.