Home / 19,412.06-29,071.71-11,993.97

Finding the Fourth Proportional to 19,412.06, 29,071.71 and 11,993.97

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Solution

The fourth proportional to 19,412.06, 29,071.71 and 11,993.97 is: 17,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,412.06 : 29,071.71 = 11,993.97 : x
  2. Step 2: Convert to fraction form
    19,412.06/29,071.71 = 11,993.97/x
  3. Step 3: Cross multiply
    19,412.06x = 29,071.71 × 11,993.97
  4. Step 4: Simplify right side
    19,412.06x = 348,685,326.61
  5. Step 5: Solve for x
    x = 348,685,326.61/19,412.06
  6. Step 6: Final answer
    x = 17,962.31

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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.