Home / 17,845.68-26,748.47-8,478.03

Finding the Fourth Proportional to 17,845.68, 26,748.47 and 8,478.03

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Solution

The fourth proportional to 17,845.68, 26,748.47 and 8,478.03 is: 12,707.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,845.68 : 26,748.47 = 8,478.03 : x
  2. Step 2: Convert to fraction form
    17,845.68/26,748.47 = 8,478.03/x
  3. Step 3: Cross multiply
    17,845.68x = 26,748.47 × 8,478.03
  4. Step 4: Simplify right side
    17,845.68x = 226,774,288.72
  5. Step 5: Solve for x
    x = 226,774,288.72/17,845.68
  6. Step 6: Final answer
    x = 12,707.52

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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.