Home / 16,728.30-23,081.37-9,653.22

Finding the Fourth Proportional to 16,728.30, 23,081.37 and 9,653.22

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Solution

The fourth proportional to 16,728.30, 23,081.37 and 9,653.22 is: 13,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,728.30 : 23,081.37 = 9,653.22 : x
  2. Step 2: Convert to fraction form
    16,728.30/23,081.37 = 9,653.22/x
  3. Step 3: Cross multiply
    16,728.30x = 23,081.37 × 9,653.22
  4. Step 4: Simplify right side
    16,728.30x = 222,809,542.51
  5. Step 5: Solve for x
    x = 222,809,542.51/16,728.30
  6. Step 6: Final answer
    x = 13,319.32

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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.