Home / 14,620-21,927.58-5,258.12

Finding the Fourth Proportional to 14,620, 21,927.58 and 5,258.12

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Solution

The fourth proportional to 14,620, 21,927.58 and 5,258.12 is: 7,886.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,620 : 21,927.58 = 5,258.12 : x
  2. Step 2: Convert to fraction form
    14,620/21,927.58 = 5,258.12/x
  3. Step 3: Cross multiply
    14,620x = 21,927.58 × 5,258.12
  4. Step 4: Simplify right side
    14,620x = 115,297,846.95
  5. Step 5: Solve for x
    x = 115,297,846.95/14,620
  6. Step 6: Final answer
    x = 7,886.31

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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.