Home / 14,021.03-19,348.77-7,647.67

Finding the Fourth Proportional to 14,021.03, 19,348.77 and 7,647.67

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Solution

The fourth proportional to 14,021.03, 19,348.77 and 7,647.67 is: 10,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,021.03 : 19,348.77 = 7,647.67 : x
  2. Step 2: Convert to fraction form
    14,021.03/19,348.77 = 7,647.67/x
  3. Step 3: Cross multiply
    14,021.03x = 19,348.77 × 7,647.67
  4. Step 4: Simplify right side
    14,021.03x = 147,973,007.87
  5. Step 5: Solve for x
    x = 147,973,007.87/14,021.03
  6. Step 6: Final answer
    x = 10,553.65

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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.