Home / 14,043.21-21,057.77-4,679.96

Finding the Fourth Proportional to 14,043.21, 21,057.77 and 4,679.96

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Solution

The fourth proportional to 14,043.21, 21,057.77 and 4,679.96 is: 7,017.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,043.21 : 21,057.77 = 4,679.96 : x
  2. Step 2: Convert to fraction form
    14,043.21/21,057.77 = 4,679.96/x
  3. Step 3: Cross multiply
    14,043.21x = 21,057.77 × 4,679.96
  4. Step 4: Simplify right side
    14,043.21x = 98,549,392.60
  5. Step 5: Solve for x
    x = 98,549,392.60/14,043.21
  6. Step 6: Final answer
    x = 7,017.58

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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.