Home / 18,621.97-25,698.33-10,238.47

Finding the Fourth Proportional to 18,621.97, 25,698.33 and 10,238.47

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Solution

The fourth proportional to 18,621.97, 25,698.33 and 10,238.47 is: 14,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,621.97 : 25,698.33 = 10,238.47 : x
  2. Step 2: Convert to fraction form
    18,621.97/25,698.33 = 10,238.47/x
  3. Step 3: Cross multiply
    18,621.97x = 25,698.33 × 10,238.47
  4. Step 4: Simplify right side
    18,621.97x = 263,111,580.76
  5. Step 5: Solve for x
    x = 263,111,580.76/18,621.97
  6. Step 6: Final answer
    x = 14,129.09

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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.