Home / 14,505.12-21,760.52-4,643.64

Finding the Fourth Proportional to 14,505.12, 21,760.52 and 4,643.64

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Solution

The fourth proportional to 14,505.12, 21,760.52 and 4,643.64 is: 6,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,505.12 : 21,760.52 = 4,643.64 : x
  2. Step 2: Convert to fraction form
    14,505.12/21,760.52 = 4,643.64/x
  3. Step 3: Cross multiply
    14,505.12x = 21,760.52 × 4,643.64
  4. Step 4: Simplify right side
    14,505.12x = 101,048,021.09
  5. Step 5: Solve for x
    x = 101,048,021.09/14,505.12
  6. Step 6: Final answer
    x = 6,966.37

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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.