Home / 14,107.15-21,161.03-5,222.92

Finding the Fourth Proportional to 14,107.15, 21,161.03 and 5,222.92

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Solution

The fourth proportional to 14,107.15, 21,161.03 and 5,222.92 is: 7,834.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,107.15 : 21,161.03 = 5,222.92 : x
  2. Step 2: Convert to fraction form
    14,107.15/21,161.03 = 5,222.92/x
  3. Step 3: Cross multiply
    14,107.15x = 21,161.03 × 5,222.92
  4. Step 4: Simplify right side
    14,107.15x = 110,522,366.81
  5. Step 5: Solve for x
    x = 110,522,366.81/14,107.15
  6. Step 6: Final answer
    x = 7,834.49

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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.