Home / 14,621.19-21,918.57-5,259

Finding the Fourth Proportional to 14,621.19, 21,918.57 and 5,259

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Solution

The fourth proportional to 14,621.19, 21,918.57 and 5,259 is: 7,883.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,621.19 : 21,918.57 = 5,259 : x
  2. Step 2: Convert to fraction form
    14,621.19/21,918.57 = 5,259/x
  3. Step 3: Cross multiply
    14,621.19x = 21,918.57 × 5,259
  4. Step 4: Simplify right side
    14,621.19x = 115,269,759.63
  5. Step 5: Solve for x
    x = 115,269,759.63/14,621.19
  6. Step 6: Final answer
    x = 7,883.75

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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.