Home / 19,072.75-26,320.41-11,620.75

Finding the Fourth Proportional to 19,072.75, 26,320.41 and 11,620.75

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Solution

The fourth proportional to 19,072.75, 26,320.41 and 11,620.75 is: 16,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,072.75 : 26,320.41 = 11,620.75 : x
  2. Step 2: Convert to fraction form
    19,072.75/26,320.41 = 11,620.75/x
  3. Step 3: Cross multiply
    19,072.75x = 26,320.41 × 11,620.75
  4. Step 4: Simplify right side
    19,072.75x = 305,862,904.51
  5. Step 5: Solve for x
    x = 305,862,904.51/19,072.75
  6. Step 6: Final answer
    x = 16,036.64

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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.