Home / 18,498.12-25,528.86-10,540.68

Finding the Fourth Proportional to 18,498.12, 25,528.86 and 10,540.68

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Solution

The fourth proportional to 18,498.12, 25,528.86 and 10,540.68 is: 14,546.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,498.12 : 25,528.86 = 10,540.68 : x
  2. Step 2: Convert to fraction form
    18,498.12/25,528.86 = 10,540.68/x
  3. Step 3: Cross multiply
    18,498.12x = 25,528.86 × 10,540.68
  4. Step 4: Simplify right side
    18,498.12x = 269,091,544.02
  5. Step 5: Solve for x
    x = 269,091,544.02/18,498.12
  6. Step 6: Final answer
    x = 14,546.97

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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.