Home / 14,126.03-21,163.22-6,615.81

Finding the Fourth Proportional to 14,126.03, 21,163.22 and 6,615.81

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Solution

The fourth proportional to 14,126.03, 21,163.22 and 6,615.81 is: 9,911.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,126.03 : 21,163.22 = 6,615.81 : x
  2. Step 2: Convert to fraction form
    14,126.03/21,163.22 = 6,615.81/x
  3. Step 3: Cross multiply
    14,126.03x = 21,163.22 × 6,615.81
  4. Step 4: Simplify right side
    14,126.03x = 140,011,809.43
  5. Step 5: Solve for x
    x = 140,011,809.43/14,126.03
  6. Step 6: Final answer
    x = 9,911.62

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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.