Home / 14,608.37-20,159.67-8,321.15

Finding the Fourth Proportional to 14,608.37, 20,159.67 and 8,321.15

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Solution

The fourth proportional to 14,608.37, 20,159.67 and 8,321.15 is: 11,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,608.37 : 20,159.67 = 8,321.15 : x
  2. Step 2: Convert to fraction form
    14,608.37/20,159.67 = 8,321.15/x
  3. Step 3: Cross multiply
    14,608.37x = 20,159.67 × 8,321.15
  4. Step 4: Simplify right side
    14,608.37x = 167,751,537.22
  5. Step 5: Solve for x
    x = 167,751,537.22/14,608.37
  6. Step 6: Final answer
    x = 11,483.25

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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.