Home / 23,840.12-32,857.08-21,090.54

Finding the Fourth Proportional to 23,840.12, 32,857.08 and 21,090.54

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Solution

The fourth proportional to 23,840.12, 32,857.08 and 21,090.54 is: 29,067.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,840.12 : 32,857.08 = 21,090.54 : x
  2. Step 2: Convert to fraction form
    23,840.12/32,857.08 = 21,090.54/x
  3. Step 3: Cross multiply
    23,840.12x = 32,857.08 × 21,090.54
  4. Step 4: Simplify right side
    23,840.12x = 692,973,560.02
  5. Step 5: Solve for x
    x = 692,973,560.02/23,840.12
  6. Step 6: Final answer
    x = 29,067.54

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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.