Home / 18,843.96-26,002.80-10,885.56

Finding the Fourth Proportional to 18,843.96, 26,002.80 and 10,885.56

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Solution

The fourth proportional to 18,843.96, 26,002.80 and 10,885.56 is: 15,021.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,843.96 : 26,002.80 = 10,885.56 : x
  2. Step 2: Convert to fraction form
    18,843.96/26,002.80 = 10,885.56/x
  3. Step 3: Cross multiply
    18,843.96x = 26,002.80 × 10,885.56
  4. Step 4: Simplify right side
    18,843.96x = 283,055,039.57
  5. Step 5: Solve for x
    x = 283,055,039.57/18,843.96
  6. Step 6: Final answer
    x = 15,021.00

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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.