Home / 28,518.23-39,345.41-17,183.48

Finding the Fourth Proportional to 28,518.23, 39,345.41 and 17,183.48

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Solution

The fourth proportional to 28,518.23, 39,345.41 and 17,183.48 is: 23,707.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,518.23 : 39,345.41 = 17,183.48 : x
  2. Step 2: Convert to fraction form
    28,518.23/39,345.41 = 17,183.48/x
  3. Step 3: Cross multiply
    28,518.23x = 39,345.41 × 17,183.48
  4. Step 4: Simplify right side
    28,518.23x = 676,090,912.06
  5. Step 5: Solve for x
    x = 676,090,912.06/28,518.23
  6. Step 6: Final answer
    x = 23,707.32

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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.