Home / 15,855.42-23,777.01-4,759.50

Finding the Fourth Proportional to 15,855.42, 23,777.01 and 4,759.50

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Solution

The fourth proportional to 15,855.42, 23,777.01 and 4,759.50 is: 7,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.42 : 23,777.01 = 4,759.50 : x
  2. Step 2: Convert to fraction form
    15,855.42/23,777.01 = 4,759.50/x
  3. Step 3: Cross multiply
    15,855.42x = 23,777.01 × 4,759.50
  4. Step 4: Simplify right side
    15,855.42x = 113,166,679.10
  5. Step 5: Solve for x
    x = 113,166,679.10/15,855.42
  6. Step 6: Final answer
    x = 7,137.41

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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.