Home / 18,583.44-25,640.16-11,023.47

Finding the Fourth Proportional to 18,583.44, 25,640.16 and 11,023.47

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Solution

The fourth proportional to 18,583.44, 25,640.16 and 11,023.47 is: 15,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.44 : 25,640.16 = 11,023.47 : x
  2. Step 2: Convert to fraction form
    18,583.44/25,640.16 = 11,023.47/x
  3. Step 3: Cross multiply
    18,583.44x = 25,640.16 × 11,023.47
  4. Step 4: Simplify right side
    18,583.44x = 282,643,534.56
  5. Step 5: Solve for x
    x = 282,643,534.56/18,583.44
  6. Step 6: Final answer
    x = 15,209.43

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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.