Home / 15,619.42-23,429.04-5,231.08

Finding the Fourth Proportional to 15,619.42, 23,429.04 and 5,231.08

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Solution

The fourth proportional to 15,619.42, 23,429.04 and 5,231.08 is: 7,846.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,619.42 : 23,429.04 = 5,231.08 : x
  2. Step 2: Convert to fraction form
    15,619.42/23,429.04 = 5,231.08/x
  3. Step 3: Cross multiply
    15,619.42x = 23,429.04 × 5,231.08
  4. Step 4: Simplify right side
    15,619.42x = 122,559,182.56
  5. Step 5: Solve for x
    x = 122,559,182.56/15,619.42
  6. Step 6: Final answer
    x = 7,846.59

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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.