Home / 14,647.24-20,222.50-9,620.38

Finding the Fourth Proportional to 14,647.24, 20,222.50 and 9,620.38

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Solution

The fourth proportional to 14,647.24, 20,222.50 and 9,620.38 is: 13,282.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.24 : 20,222.50 = 9,620.38 : x
  2. Step 2: Convert to fraction form
    14,647.24/20,222.50 = 9,620.38/x
  3. Step 3: Cross multiply
    14,647.24x = 20,222.50 × 9,620.38
  4. Step 4: Simplify right side
    14,647.24x = 194,548,134.55
  5. Step 5: Solve for x
    x = 194,548,134.55/14,647.24
  6. Step 6: Final answer
    x = 13,282.24

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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.