Home / 14,625.45-20,183.09-7,911.02

Finding the Fourth Proportional to 14,625.45, 20,183.09 and 7,911.02

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Solution

The fourth proportional to 14,625.45, 20,183.09 and 7,911.02 is: 10,917.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,625.45 : 20,183.09 = 7,911.02 : x
  2. Step 2: Convert to fraction form
    14,625.45/20,183.09 = 7,911.02/x
  3. Step 3: Cross multiply
    14,625.45x = 20,183.09 × 7,911.02
  4. Step 4: Simplify right side
    14,625.45x = 159,668,688.18
  5. Step 5: Solve for x
    x = 159,668,688.18/14,625.45
  6. Step 6: Final answer
    x = 10,917.18

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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.