Home / 23,149.03-31,945.53-13,080.73

Finding the Fourth Proportional to 23,149.03, 31,945.53 and 13,080.73

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Solution

The fourth proportional to 23,149.03, 31,945.53 and 13,080.73 is: 18,051.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,149.03 : 31,945.53 = 13,080.73 : x
  2. Step 2: Convert to fraction form
    23,149.03/31,945.53 = 13,080.73/x
  3. Step 3: Cross multiply
    23,149.03x = 31,945.53 × 13,080.73
  4. Step 4: Simplify right side
    23,149.03x = 417,870,852.64
  5. Step 5: Solve for x
    x = 417,870,852.64/23,149.03
  6. Step 6: Final answer
    x = 18,051.33

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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.