Home / 20,055.73-30,073.47-11,738.25

Finding the Fourth Proportional to 20,055.73, 30,073.47 and 11,738.25

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Solution

The fourth proportional to 20,055.73, 30,073.47 and 11,738.25 is: 17,601.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,055.73 : 30,073.47 = 11,738.25 : x
  2. Step 2: Convert to fraction form
    20,055.73/30,073.47 = 11,738.25/x
  3. Step 3: Cross multiply
    20,055.73x = 30,073.47 × 11,738.25
  4. Step 4: Simplify right side
    20,055.73x = 353,009,909.23
  5. Step 5: Solve for x
    x = 353,009,909.23/20,055.73
  6. Step 6: Final answer
    x = 17,601.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.