Home / 19,955.76-27,540.18-11,003.23

Finding the Fourth Proportional to 19,955.76, 27,540.18 and 11,003.23

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Solution

The fourth proportional to 19,955.76, 27,540.18 and 11,003.23 is: 15,185.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.76 : 27,540.18 = 11,003.23 : x
  2. Step 2: Convert to fraction form
    19,955.76/27,540.18 = 11,003.23/x
  3. Step 3: Cross multiply
    19,955.76x = 27,540.18 × 11,003.23
  4. Step 4: Simplify right side
    19,955.76x = 303,030,934.78
  5. Step 5: Solve for x
    x = 303,030,934.78/19,955.76
  6. Step 6: Final answer
    x = 15,185.14

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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.