Home / 15,783.24-23,670.77-4,687.32

Finding the Fourth Proportional to 15,783.24, 23,670.77 and 4,687.32

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Solution

The fourth proportional to 15,783.24, 23,670.77 and 4,687.32 is: 7,029.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,783.24 : 23,670.77 = 4,687.32 : x
  2. Step 2: Convert to fraction form
    15,783.24/23,670.77 = 4,687.32/x
  3. Step 3: Cross multiply
    15,783.24x = 23,670.77 × 4,687.32
  4. Step 4: Simplify right side
    15,783.24x = 110,952,450.20
  5. Step 5: Solve for x
    x = 110,952,450.20/15,783.24
  6. Step 6: Final answer
    x = 7,029.76

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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.