Home / 18,579.01-25,638.85-10,081.07

Finding the Fourth Proportional to 18,579.01, 25,638.85 and 10,081.07

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Solution

The fourth proportional to 18,579.01, 25,638.85 and 10,081.07 is: 13,911.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,579.01 : 25,638.85 = 10,081.07 : x
  2. Step 2: Convert to fraction form
    18,579.01/25,638.85 = 10,081.07/x
  3. Step 3: Cross multiply
    18,579.01x = 25,638.85 × 10,081.07
  4. Step 4: Simplify right side
    18,579.01x = 258,467,041.57
  5. Step 5: Solve for x
    x = 258,467,041.57/18,579.01
  6. Step 6: Final answer
    x = 13,911.78

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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.