Home / 18,424.10-25,407.19-11,698.05

Finding the Fourth Proportional to 18,424.10, 25,407.19 and 11,698.05

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Solution

The fourth proportional to 18,424.10, 25,407.19 and 11,698.05 is: 16,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,424.10 : 25,407.19 = 11,698.05 : x
  2. Step 2: Convert to fraction form
    18,424.10/25,407.19 = 11,698.05/x
  3. Step 3: Cross multiply
    18,424.10x = 25,407.19 × 11,698.05
  4. Step 4: Simplify right side
    18,424.10x = 297,214,578.98
  5. Step 5: Solve for x
    x = 297,214,578.98/18,424.10
  6. Step 6: Final answer
    x = 16,131.84

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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.