Home / 17,540.08-26,309.88-11,903.76

Finding the Fourth Proportional to 17,540.08, 26,309.88 and 11,903.76

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Solution

The fourth proportional to 17,540.08, 26,309.88 and 11,903.76 is: 17,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,540.08 : 26,309.88 = 11,903.76 : x
  2. Step 2: Convert to fraction form
    17,540.08/26,309.88 = 11,903.76/x
  3. Step 3: Cross multiply
    17,540.08x = 26,309.88 × 11,903.76
  4. Step 4: Simplify right side
    17,540.08x = 313,186,497.15
  5. Step 5: Solve for x
    x = 313,186,497.15/17,540.08
  6. Step 6: Final answer
    x = 17,855.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.