Home / 15,739.80-23,607.81-5,876.43

Finding the Fourth Proportional to 15,739.80, 23,607.81 and 5,876.43

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Solution

The fourth proportional to 15,739.80, 23,607.81 and 5,876.43 is: 8,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,739.80 : 23,607.81 = 5,876.43 : x
  2. Step 2: Convert to fraction form
    15,739.80/23,607.81 = 5,876.43/x
  3. Step 3: Cross multiply
    15,739.80x = 23,607.81 × 5,876.43
  4. Step 4: Simplify right side
    15,739.80x = 138,729,642.92
  5. Step 5: Solve for x
    x = 138,729,642.92/15,739.80
  6. Step 6: Final answer
    x = 8,813.94

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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.