Home / 14,381.99-21,546.24-7,813.70

Finding the Fourth Proportional to 14,381.99, 21,546.24 and 7,813.70

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Solution

The fourth proportional to 14,381.99, 21,546.24 and 7,813.70 is: 11,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,381.99 : 21,546.24 = 7,813.70 : x
  2. Step 2: Convert to fraction form
    14,381.99/21,546.24 = 7,813.70/x
  3. Step 3: Cross multiply
    14,381.99x = 21,546.24 × 7,813.70
  4. Step 4: Simplify right side
    14,381.99x = 168,355,855.49
  5. Step 5: Solve for x
    x = 168,355,855.49/14,381.99
  6. Step 6: Final answer
    x = 11,706.02

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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.