Home / 19,740.36-27,232.41-11,668.65

Finding the Fourth Proportional to 19,740.36, 27,232.41 and 11,668.65

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Solution

The fourth proportional to 19,740.36, 27,232.41 and 11,668.65 is: 16,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,740.36 : 27,232.41 = 11,668.65 : x
  2. Step 2: Convert to fraction form
    19,740.36/27,232.41 = 11,668.65/x
  3. Step 3: Cross multiply
    19,740.36x = 27,232.41 × 11,668.65
  4. Step 4: Simplify right side
    19,740.36x = 317,765,460.95
  5. Step 5: Solve for x
    x = 317,765,460.95/19,740.36
  6. Step 6: Final answer
    x = 16,097.25

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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.