Home / 19,928.67-27,514.79-12,386.26

Finding the Fourth Proportional to 19,928.67, 27,514.79 and 12,386.26

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Solution

The fourth proportional to 19,928.67, 27,514.79 and 12,386.26 is: 17,101.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,928.67 : 27,514.79 = 12,386.26 : x
  2. Step 2: Convert to fraction form
    19,928.67/27,514.79 = 12,386.26/x
  3. Step 3: Cross multiply
    19,928.67x = 27,514.79 × 12,386.26
  4. Step 4: Simplify right side
    19,928.67x = 340,805,342.79
  5. Step 5: Solve for x
    x = 340,805,342.79/19,928.67
  6. Step 6: Final answer
    x = 17,101.26

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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.