Home / 19,282.37-28,924.11-5,242.28

Finding the Fourth Proportional to 19,282.37, 28,924.11 and 5,242.28

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Solution

The fourth proportional to 19,282.37, 28,924.11 and 5,242.28 is: 7,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,282.37 : 28,924.11 = 5,242.28 : x
  2. Step 2: Convert to fraction form
    19,282.37/28,924.11 = 5,242.28/x
  3. Step 3: Cross multiply
    19,282.37x = 28,924.11 × 5,242.28
  4. Step 4: Simplify right side
    19,282.37x = 151,628,138.75
  5. Step 5: Solve for x
    x = 151,628,138.75/19,282.37
  6. Step 6: Final answer
    x = 7,863.57

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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.