Home / 14,443.91-21,656.81-5,668.64

Finding the Fourth Proportional to 14,443.91, 21,656.81 and 5,668.64

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Solution

The fourth proportional to 14,443.91, 21,656.81 and 5,668.64 is: 8,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,443.91 : 21,656.81 = 5,668.64 : x
  2. Step 2: Convert to fraction form
    14,443.91/21,656.81 = 5,668.64/x
  3. Step 3: Cross multiply
    14,443.91x = 21,656.81 × 5,668.64
  4. Step 4: Simplify right side
    14,443.91x = 122,764,565.33
  5. Step 5: Solve for x
    x = 122,764,565.33/14,443.91
  6. Step 6: Final answer
    x = 8,499.40

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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.