Home / 18,622.41-25,698.92-10,238.91

Finding the Fourth Proportional to 18,622.41, 25,698.92 and 10,238.91

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Solution

The fourth proportional to 18,622.41, 25,698.92 and 10,238.91 is: 14,129.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,622.41 : 25,698.92 = 10,238.91 : x
  2. Step 2: Convert to fraction form
    18,622.41/25,698.92 = 10,238.91/x
  3. Step 3: Cross multiply
    18,622.41x = 25,698.92 × 10,238.91
  4. Step 4: Simplify right side
    18,622.41x = 263,128,839.01
  5. Step 5: Solve for x
    x = 263,128,839.01/18,622.41
  6. Step 6: Final answer
    x = 14,129.69

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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.