Home / 15,271.94-23,011.94-12,559.37

Finding the Fourth Proportional to 15,271.94, 23,011.94 and 12,559.37

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Solution

The fourth proportional to 15,271.94, 23,011.94 and 12,559.37 is: 18,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,271.94 : 23,011.94 = 12,559.37 : x
  2. Step 2: Convert to fraction form
    15,271.94/23,011.94 = 12,559.37/x
  3. Step 3: Cross multiply
    15,271.94x = 23,011.94 × 12,559.37
  4. Step 4: Simplify right side
    15,271.94x = 289,015,468.88
  5. Step 5: Solve for x
    x = 289,015,468.88/15,271.94
  6. Step 6: Final answer
    x = 18,924.61

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.