Home / 16,798.23-25,198.74-5,111.55

Finding the Fourth Proportional to 16,798.23, 25,198.74 and 5,111.55

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Solution

The fourth proportional to 16,798.23, 25,198.74 and 5,111.55 is: 7,667.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,798.23 : 25,198.74 = 5,111.55 : x
  2. Step 2: Convert to fraction form
    16,798.23/25,198.74 = 5,111.55/x
  3. Step 3: Cross multiply
    16,798.23x = 25,198.74 × 5,111.55
  4. Step 4: Simplify right side
    16,798.23x = 128,804,619.45
  5. Step 5: Solve for x
    x = 128,804,619.45/16,798.23
  6. Step 6: Final answer
    x = 7,667.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.