Home / 14,291.64-21,441.51-7,722.54

Finding the Fourth Proportional to 14,291.64, 21,441.51 and 7,722.54

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Solution

The fourth proportional to 14,291.64, 21,441.51 and 7,722.54 is: 11,586.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,291.64 : 21,441.51 = 7,722.54 : x
  2. Step 2: Convert to fraction form
    14,291.64/21,441.51 = 7,722.54/x
  3. Step 3: Cross multiply
    14,291.64x = 21,441.51 × 7,722.54
  4. Step 4: Simplify right side
    14,291.64x = 165,582,918.64
  5. Step 5: Solve for x
    x = 165,582,918.64/14,291.64
  6. Step 6: Final answer
    x = 11,586.00

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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.