Home / 14,245.67-21,371.35-4,384.57

Finding the Fourth Proportional to 14,245.67, 21,371.35 and 4,384.57

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Solution

The fourth proportional to 14,245.67, 21,371.35 and 4,384.57 is: 6,577.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,245.67 : 21,371.35 = 4,384.57 : x
  2. Step 2: Convert to fraction form
    14,245.67/21,371.35 = 4,384.57/x
  3. Step 3: Cross multiply
    14,245.67x = 21,371.35 × 4,384.57
  4. Step 4: Simplify right side
    14,245.67x = 93,704,115.68
  5. Step 5: Solve for x
    x = 93,704,115.68/14,245.67
  6. Step 6: Final answer
    x = 6,577.73

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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.