Home / 19,653.06-27,121.74-10,700.94

Finding the Fourth Proportional to 19,653.06, 27,121.74 and 10,700.94

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Solution

The fourth proportional to 19,653.06, 27,121.74 and 10,700.94 is: 14,767.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,653.06 : 27,121.74 = 10,700.94 : x
  2. Step 2: Convert to fraction form
    19,653.06/27,121.74 = 10,700.94/x
  3. Step 3: Cross multiply
    19,653.06x = 27,121.74 × 10,700.94
  4. Step 4: Simplify right side
    19,653.06x = 290,228,112.44
  5. Step 5: Solve for x
    x = 290,228,112.44/19,653.06
  6. Step 6: Final answer
    x = 14,767.58

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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.