Home / 38,627.06-57,940.74-13,667.12

Finding the Fourth Proportional to 38,627.06, 57,940.74 and 13,667.12

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Solution

The fourth proportional to 38,627.06, 57,940.74 and 13,667.12 is: 20,500.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,627.06 : 57,940.74 = 13,667.12 : x
  2. Step 2: Convert to fraction form
    38,627.06/57,940.74 = 13,667.12/x
  3. Step 3: Cross multiply
    38,627.06x = 57,940.74 × 13,667.12
  4. Step 4: Simplify right side
    38,627.06x = 791,882,756.77
  5. Step 5: Solve for x
    x = 791,882,756.77/38,627.06
  6. Step 6: Final answer
    x = 20,500.73

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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.