Home / 17,985.82-26,975.46-4,835.12

Finding the Fourth Proportional to 17,985.82, 26,975.46 and 4,835.12

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Solution

The fourth proportional to 17,985.82, 26,975.46 and 4,835.12 is: 7,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,985.82 : 26,975.46 = 4,835.12 : x
  2. Step 2: Convert to fraction form
    17,985.82/26,975.46 = 4,835.12/x
  3. Step 3: Cross multiply
    17,985.82x = 26,975.46 × 4,835.12
  4. Step 4: Simplify right side
    17,985.82x = 130,429,586.16
  5. Step 5: Solve for x
    x = 130,429,586.16/17,985.82
  6. Step 6: Final answer
    x = 7,251.80

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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.