Home / 18,939.54-26,135.38-10,441.22

Finding the Fourth Proportional to 18,939.54, 26,135.38 and 10,441.22

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Solution

The fourth proportional to 18,939.54, 26,135.38 and 10,441.22 is: 14,408.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,939.54 : 26,135.38 = 10,441.22 : x
  2. Step 2: Convert to fraction form
    18,939.54/26,135.38 = 10,441.22/x
  3. Step 3: Cross multiply
    18,939.54x = 26,135.38 × 10,441.22
  4. Step 4: Simplify right side
    18,939.54x = 272,885,252.36
  5. Step 5: Solve for x
    x = 272,885,252.36/18,939.54
  6. Step 6: Final answer
    x = 14,408.23

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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.