Home / 13,647.42-20,454.21-9,692.37

Finding the Fourth Proportional to 13,647.42, 20,454.21 and 9,692.37

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Solution

The fourth proportional to 13,647.42, 20,454.21 and 9,692.37 is: 14,526.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,647.42 : 20,454.21 = 9,692.37 : x
  2. Step 2: Convert to fraction form
    13,647.42/20,454.21 = 9,692.37/x
  3. Step 3: Cross multiply
    13,647.42x = 20,454.21 × 9,692.37
  4. Step 4: Simplify right side
    13,647.42x = 198,249,771.38
  5. Step 5: Solve for x
    x = 198,249,771.38/13,647.42
  6. Step 6: Final answer
    x = 14,526.54

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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.