Home / 13,972.45-20,958.37-6,572.81

Finding the Fourth Proportional to 13,972.45, 20,958.37 and 6,572.81

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Solution

The fourth proportional to 13,972.45, 20,958.37 and 6,572.81 is: 9,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,972.45 : 20,958.37 = 6,572.81 : x
  2. Step 2: Convert to fraction form
    13,972.45/20,958.37 = 6,572.81/x
  3. Step 3: Cross multiply
    13,972.45x = 20,958.37 × 6,572.81
  4. Step 4: Simplify right side
    13,972.45x = 137,755,262.70
  5. Step 5: Solve for x
    x = 137,755,262.70/13,972.45
  6. Step 6: Final answer
    x = 9,859.06

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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.