Home / 36,669.07-55,003.61-12,993.99

Finding the Fourth Proportional to 36,669.07, 55,003.61 and 12,993.99

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Solution

The fourth proportional to 36,669.07, 55,003.61 and 12,993.99 is: 19,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,669.07 : 55,003.61 = 12,993.99 : x
  2. Step 2: Convert to fraction form
    36,669.07/55,003.61 = 12,993.99/x
  3. Step 3: Cross multiply
    36,669.07x = 55,003.61 × 12,993.99
  4. Step 4: Simplify right side
    36,669.07x = 714,716,358.30
  5. Step 5: Solve for x
    x = 714,716,358.30/36,669.07
  6. Step 6: Final answer
    x = 19,490.99

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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.