Home / 18,585.77-25,648.55-10,087.96

Finding the Fourth Proportional to 18,585.77, 25,648.55 and 10,087.96

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Solution

The fourth proportional to 18,585.77, 25,648.55 and 10,087.96 is: 13,921.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,585.77 : 25,648.55 = 10,087.96 : x
  2. Step 2: Convert to fraction form
    18,585.77/25,648.55 = 10,087.96/x
  3. Step 3: Cross multiply
    18,585.77x = 25,648.55 × 10,087.96
  4. Step 4: Simplify right side
    18,585.77x = 258,741,546.46
  5. Step 5: Solve for x
    x = 258,741,546.46/18,585.77
  6. Step 6: Final answer
    x = 13,921.49

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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.