Home / 15,631.56-23,451.21-4,539.06

Finding the Fourth Proportional to 15,631.56, 23,451.21 and 4,539.06

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Solution

The fourth proportional to 15,631.56, 23,451.21 and 4,539.06 is: 6,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,631.56 : 23,451.21 = 4,539.06 : x
  2. Step 2: Convert to fraction form
    15,631.56/23,451.21 = 4,539.06/x
  3. Step 3: Cross multiply
    15,631.56x = 23,451.21 × 4,539.06
  4. Step 4: Simplify right side
    15,631.56x = 106,446,449.26
  5. Step 5: Solve for x
    x = 106,446,449.26/15,631.56
  6. Step 6: Final answer
    x = 6,809.71

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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.