Home / 37,100.07-55,653.57-12,140.28

Finding the Fourth Proportional to 37,100.07, 55,653.57 and 12,140.28

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Solution

The fourth proportional to 37,100.07, 55,653.57 and 12,140.28 is: 18,211.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,100.07 : 55,653.57 = 12,140.28 : x
  2. Step 2: Convert to fraction form
    37,100.07/55,653.57 = 12,140.28/x
  3. Step 3: Cross multiply
    37,100.07x = 55,653.57 × 12,140.28
  4. Step 4: Simplify right side
    37,100.07x = 675,649,922.80
  5. Step 5: Solve for x
    x = 675,649,922.80/37,100.07
  6. Step 6: Final answer
    x = 18,211.55

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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.