Home / 18,261.75-25,201.35-11,192.88

Finding the Fourth Proportional to 18,261.75, 25,201.35 and 11,192.88

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Solution

The fourth proportional to 18,261.75, 25,201.35 and 11,192.88 is: 15,446.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,261.75 : 25,201.35 = 11,192.88 : x
  2. Step 2: Convert to fraction form
    18,261.75/25,201.35 = 11,192.88/x
  3. Step 3: Cross multiply
    18,261.75x = 25,201.35 × 11,192.88
  4. Step 4: Simplify right side
    18,261.75x = 282,075,686.39
  5. Step 5: Solve for x
    x = 282,075,686.39/18,261.75
  6. Step 6: Final answer
    x = 15,446.26

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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.