Home / 14,094.26-19,450.28-7,720.70

Finding the Fourth Proportional to 14,094.26, 19,450.28 and 7,720.70

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Solution

The fourth proportional to 14,094.26, 19,450.28 and 7,720.70 is: 10,654.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,094.26 : 19,450.28 = 7,720.70 : x
  2. Step 2: Convert to fraction form
    14,094.26/19,450.28 = 7,720.70/x
  3. Step 3: Cross multiply
    14,094.26x = 19,450.28 × 7,720.70
  4. Step 4: Simplify right side
    14,094.26x = 150,169,640.94
  5. Step 5: Solve for x
    x = 150,169,640.94/14,094.26
  6. Step 6: Final answer
    x = 10,654.67

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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.