Home / 19,650.69-27,118.25-10,698.36

Finding the Fourth Proportional to 19,650.69, 27,118.25 and 10,698.36

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Solution

The fourth proportional to 19,650.69, 27,118.25 and 10,698.36 is: 14,763.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,650.69 : 27,118.25 = 10,698.36 : x
  2. Step 2: Convert to fraction form
    19,650.69/27,118.25 = 10,698.36/x
  3. Step 3: Cross multiply
    19,650.69x = 27,118.25 × 10,698.36
  4. Step 4: Simplify right side
    19,650.69x = 290,120,747.58
  5. Step 5: Solve for x
    x = 290,120,747.58/19,650.69
  6. Step 6: Final answer
    x = 14,763.90

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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.