Home / 18,540.64-25,585.74-10,157.08

Finding the Fourth Proportional to 18,540.64, 25,585.74 and 10,157.08

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Solution

The fourth proportional to 18,540.64, 25,585.74 and 10,157.08 is: 14,016.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,540.64 : 25,585.74 = 10,157.08 : x
  2. Step 2: Convert to fraction form
    18,540.64/25,585.74 = 10,157.08/x
  3. Step 3: Cross multiply
    18,540.64x = 25,585.74 × 10,157.08
  4. Step 4: Simplify right side
    18,540.64x = 259,876,408.04
  5. Step 5: Solve for x
    x = 259,876,408.04/18,540.64
  6. Step 6: Final answer
    x = 14,016.58

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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.