Home / 17,090.76-23,583.24-9,919.02

Finding the Fourth Proportional to 17,090.76, 23,583.24 and 9,919.02

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Solution

The fourth proportional to 17,090.76, 23,583.24 and 9,919.02 is: 13,687.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.76 : 23,583.24 = 9,919.02 : x
  2. Step 2: Convert to fraction form
    17,090.76/23,583.24 = 9,919.02/x
  3. Step 3: Cross multiply
    17,090.76x = 23,583.24 × 9,919.02
  4. Step 4: Simplify right side
    17,090.76x = 233,922,629.22
  5. Step 5: Solve for x
    x = 233,922,629.22/17,090.76
  6. Step 6: Final answer
    x = 13,687.08

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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.