Home / 18,412.13-25,408.73-10,028.63

Finding the Fourth Proportional to 18,412.13, 25,408.73 and 10,028.63

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Solution

The fourth proportional to 18,412.13, 25,408.73 and 10,028.63 is: 13,839.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,412.13 : 25,408.73 = 10,028.63 : x
  2. Step 2: Convert to fraction form
    18,412.13/25,408.73 = 10,028.63/x
  3. Step 3: Cross multiply
    18,412.13x = 25,408.73 × 10,028.63
  4. Step 4: Simplify right side
    18,412.13x = 254,814,649.97
  5. Step 5: Solve for x
    x = 254,814,649.97/18,412.13
  6. Step 6: Final answer
    x = 13,839.50

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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.