Home / 19,955.44-27,540.15-11,004.70

Finding the Fourth Proportional to 19,955.44, 27,540.15 and 11,004.70

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Solution

The fourth proportional to 19,955.44, 27,540.15 and 11,004.70 is: 15,187.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,955.44 : 27,540.15 = 11,004.70 : x
  2. Step 2: Convert to fraction form
    19,955.44/27,540.15 = 11,004.70/x
  3. Step 3: Cross multiply
    19,955.44x = 27,540.15 × 11,004.70
  4. Step 4: Simplify right side
    19,955.44x = 303,071,088.71
  5. Step 5: Solve for x
    x = 303,071,088.71/19,955.44
  6. Step 6: Final answer
    x = 15,187.39

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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.