Home / 26,643.44-36,766.68-15,305.12

Finding the Fourth Proportional to 26,643.44, 36,766.68 and 15,305.12

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Solution

The fourth proportional to 26,643.44, 36,766.68 and 15,305.12 is: 21,120.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,643.44 : 36,766.68 = 15,305.12 : x
  2. Step 2: Convert to fraction form
    26,643.44/36,766.68 = 15,305.12/x
  3. Step 3: Cross multiply
    26,643.44x = 36,766.68 × 15,305.12
  4. Step 4: Simplify right side
    26,643.44x = 562,718,449.40
  5. Step 5: Solve for x
    x = 562,718,449.40/26,643.44
  6. Step 6: Final answer
    x = 21,120.34

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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.