Home / 17,855.34-26,782.65-4,708.86

Finding the Fourth Proportional to 17,855.34, 26,782.65 and 4,708.86

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Solution

The fourth proportional to 17,855.34, 26,782.65 and 4,708.86 is: 7,063.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.34 : 26,782.65 = 4,708.86 : x
  2. Step 2: Convert to fraction form
    17,855.34/26,782.65 = 4,708.86/x
  3. Step 3: Cross multiply
    17,855.34x = 26,782.65 × 4,708.86
  4. Step 4: Simplify right side
    17,855.34x = 126,115,749.28
  5. Step 5: Solve for x
    x = 126,115,749.28/17,855.34
  6. Step 6: Final answer
    x = 7,063.20

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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.