Home / 36,685.93-55,053.55-12,993.39

Finding the Fourth Proportional to 36,685.93, 55,053.55 and 12,993.39

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Solution

The fourth proportional to 36,685.93, 55,053.55 and 12,993.39 is: 19,498.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,685.93 : 55,053.55 = 12,993.39 : x
  2. Step 2: Convert to fraction form
    36,685.93/55,053.55 = 12,993.39/x
  3. Step 3: Cross multiply
    36,685.93x = 55,053.55 × 12,993.39
  4. Step 4: Simplify right side
    36,685.93x = 715,332,070.89
  5. Step 5: Solve for x
    x = 715,332,070.89/36,685.93
  6. Step 6: Final answer
    x = 19,498.82

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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.