Home / 20,054.34-27,675.34-10,980.48

Finding the Fourth Proportional to 20,054.34, 27,675.34 and 10,980.48

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Solution

The fourth proportional to 20,054.34, 27,675.34 and 10,980.48 is: 15,153.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,054.34 : 27,675.34 = 10,980.48 : x
  2. Step 2: Convert to fraction form
    20,054.34/27,675.34 = 10,980.48/x
  3. Step 3: Cross multiply
    20,054.34x = 27,675.34 × 10,980.48
  4. Step 4: Simplify right side
    20,054.34x = 303,888,517.36
  5. Step 5: Solve for x
    x = 303,888,517.36/20,054.34
  6. Step 6: Final answer
    x = 15,153.25

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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.