Home / 14,380.64-21,562.44-5,605.30

Finding the Fourth Proportional to 14,380.64, 21,562.44 and 5,605.30

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Solution

The fourth proportional to 14,380.64, 21,562.44 and 5,605.30 is: 8,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.64 : 21,562.44 = 5,605.30 : x
  2. Step 2: Convert to fraction form
    14,380.64/21,562.44 = 5,605.30/x
  3. Step 3: Cross multiply
    14,380.64x = 21,562.44 × 5,605.30
  4. Step 4: Simplify right side
    14,380.64x = 120,863,950.87
  5. Step 5: Solve for x
    x = 120,863,950.87/14,380.64
  6. Step 6: Final answer
    x = 8,404.63

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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.