Home / 14,416.49-21,627.87-4,421.28

Finding the Fourth Proportional to 14,416.49, 21,627.87 and 4,421.28

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Solution

The fourth proportional to 14,416.49, 21,627.87 and 4,421.28 is: 6,632.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,416.49 : 21,627.87 = 4,421.28 : x
  2. Step 2: Convert to fraction form
    14,416.49/21,627.87 = 4,421.28/x
  3. Step 3: Cross multiply
    14,416.49x = 21,627.87 × 4,421.28
  4. Step 4: Simplify right side
    14,416.49x = 95,622,869.07
  5. Step 5: Solve for x
    x = 95,622,869.07/14,416.49
  6. Step 6: Final answer
    x = 6,632.88

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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.