Home / 19,848.07-27,388.33-11,890.09

Finding the Fourth Proportional to 19,848.07, 27,388.33 and 11,890.09

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Solution

The fourth proportional to 19,848.07, 27,388.33 and 11,890.09 is: 16,407.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,848.07 : 27,388.33 = 11,890.09 : x
  2. Step 2: Convert to fraction form
    19,848.07/27,388.33 = 11,890.09/x
  3. Step 3: Cross multiply
    19,848.07x = 27,388.33 × 11,890.09
  4. Step 4: Simplify right side
    19,848.07x = 325,649,713.16
  5. Step 5: Solve for x
    x = 325,649,713.16/19,848.07
  6. Step 6: Final answer
    x = 16,407.12

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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.