Home / 14,378.00-21,575.21-5,610.87

Finding the Fourth Proportional to 14,378.00, 21,575.21 and 5,610.87

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Solution

The fourth proportional to 14,378.00, 21,575.21 and 5,610.87 is: 8,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.00 : 21,575.21 = 5,610.87 : x
  2. Step 2: Convert to fraction form
    14,378.00/21,575.21 = 5,610.87/x
  3. Step 3: Cross multiply
    14,378.00x = 21,575.21 × 5,610.87
  4. Step 4: Simplify right side
    14,378.00x = 121,055,670.48
  5. Step 5: Solve for x
    x = 121,055,670.48/14,378.00
  6. Step 6: Final answer
    x = 8,419.51

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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.