Home / 28,006.74-38,668.29-19,608.66

Finding the Fourth Proportional to 28,006.74, 38,668.29 and 19,608.66

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Solution

The fourth proportional to 28,006.74, 38,668.29 and 19,608.66 is: 27,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,006.74 : 38,668.29 = 19,608.66 : x
  2. Step 2: Convert to fraction form
    28,006.74/38,668.29 = 19,608.66/x
  3. Step 3: Cross multiply
    28,006.74x = 38,668.29 × 19,608.66
  4. Step 4: Simplify right side
    28,006.74x = 758,233,351.39
  5. Step 5: Solve for x
    x = 758,233,351.39/28,006.74
  6. Step 6: Final answer
    x = 27,073.25

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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.