Home / 18,739.36-25,860.54-10,241.44

Finding the Fourth Proportional to 18,739.36, 25,860.54 and 10,241.44

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Solution

The fourth proportional to 18,739.36, 25,860.54 and 10,241.44 is: 14,133.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.36 : 25,860.54 = 10,241.44 : x
  2. Step 2: Convert to fraction form
    18,739.36/25,860.54 = 10,241.44/x
  3. Step 3: Cross multiply
    18,739.36x = 25,860.54 × 10,241.44
  4. Step 4: Simplify right side
    18,739.36x = 264,849,168.78
  5. Step 5: Solve for x
    x = 264,849,168.78/18,739.36
  6. Step 6: Final answer
    x = 14,133.31

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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.