Home / 14,373.12-21,560.32-3,984.64

Finding the Fourth Proportional to 14,373.12, 21,560.32 and 3,984.64

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Solution

The fourth proportional to 14,373.12, 21,560.32 and 3,984.64 is: 5,977.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,373.12 : 21,560.32 = 3,984.64 : x
  2. Step 2: Convert to fraction form
    14,373.12/21,560.32 = 3,984.64/x
  3. Step 3: Cross multiply
    14,373.12x = 21,560.32 × 3,984.64
  4. Step 4: Simplify right side
    14,373.12x = 85,910,113.48
  5. Step 5: Solve for x
    x = 85,910,113.48/14,373.12
  6. Step 6: Final answer
    x = 5,977.14

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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.