Home / 19,570.38-27,008.92-11,185.26

Finding the Fourth Proportional to 19,570.38, 27,008.92 and 11,185.26

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Solution

The fourth proportional to 19,570.38, 27,008.92 and 11,185.26 is: 15,436.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,570.38 : 27,008.92 = 11,185.26 : x
  2. Step 2: Convert to fraction form
    19,570.38/27,008.92 = 11,185.26/x
  3. Step 3: Cross multiply
    19,570.38x = 27,008.92 × 11,185.26
  4. Step 4: Simplify right side
    19,570.38x = 302,101,792.52
  5. Step 5: Solve for x
    x = 302,101,792.52/19,570.38
  6. Step 6: Final answer
    x = 15,436.69

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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.