Home / 18,902.26-26,086.73-10,406.06

Finding the Fourth Proportional to 18,902.26, 26,086.73 and 10,406.06

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Solution

The fourth proportional to 18,902.26, 26,086.73 and 10,406.06 is: 14,361.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,902.26 : 26,086.73 = 10,406.06 : x
  2. Step 2: Convert to fraction form
    18,902.26/26,086.73 = 10,406.06/x
  3. Step 3: Cross multiply
    18,902.26x = 26,086.73 × 10,406.06
  4. Step 4: Simplify right side
    18,902.26x = 271,460,077.58
  5. Step 5: Solve for x
    x = 271,460,077.58/18,902.26
  6. Step 6: Final answer
    x = 14,361.25

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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.