Home / 14,542.64-21,816.38-5,188.05

Finding the Fourth Proportional to 14,542.64, 21,816.38 and 5,188.05

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Solution

The fourth proportional to 14,542.64, 21,816.38 and 5,188.05 is: 7,782.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,542.64 : 21,816.38 = 5,188.05 : x
  2. Step 2: Convert to fraction form
    14,542.64/21,816.38 = 5,188.05/x
  3. Step 3: Cross multiply
    14,542.64x = 21,816.38 × 5,188.05
  4. Step 4: Simplify right side
    14,542.64x = 113,184,361.18
  5. Step 5: Solve for x
    x = 113,184,361.18/14,542.64
  6. Step 6: Final answer
    x = 7,782.93

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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.