Home / 14,639.69-21,961.88-6,322.25

Finding the Fourth Proportional to 14,639.69, 21,961.88 and 6,322.25

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Solution

The fourth proportional to 14,639.69, 21,961.88 and 6,322.25 is: 9,484.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,639.69 : 21,961.88 = 6,322.25 : x
  2. Step 2: Convert to fraction form
    14,639.69/21,961.88 = 6,322.25/x
  3. Step 3: Cross multiply
    14,639.69x = 21,961.88 × 6,322.25
  4. Step 4: Simplify right side
    14,639.69x = 138,848,578.39
  5. Step 5: Solve for x
    x = 138,848,578.39/14,639.69
  6. Step 6: Final answer
    x = 9,484.40

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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.