Home / 13,627.05-18,804.73-7,962.33

Finding the Fourth Proportional to 13,627.05, 18,804.73 and 7,962.33

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Solution

The fourth proportional to 13,627.05, 18,804.73 and 7,962.33 is: 10,987.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,627.05 : 18,804.73 = 7,962.33 : x
  2. Step 2: Convert to fraction form
    13,627.05/18,804.73 = 7,962.33/x
  3. Step 3: Cross multiply
    13,627.05x = 18,804.73 × 7,962.33
  4. Step 4: Simplify right side
    13,627.05x = 149,729,465.82
  5. Step 5: Solve for x
    x = 149,729,465.82/13,627.05
  6. Step 6: Final answer
    x = 10,987.67

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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.