Home / 15,238.20-22,840.80-9,956.56

Finding the Fourth Proportional to 15,238.20, 22,840.80 and 9,956.56

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Solution

The fourth proportional to 15,238.20, 22,840.80 and 9,956.56 is: 14,924.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.20 : 22,840.80 = 9,956.56 : x
  2. Step 2: Convert to fraction form
    15,238.20/22,840.80 = 9,956.56/x
  3. Step 3: Cross multiply
    15,238.20x = 22,840.80 × 9,956.56
  4. Step 4: Simplify right side
    15,238.20x = 227,415,795.65
  5. Step 5: Solve for x
    x = 227,415,795.65/15,238.20
  6. Step 6: Final answer
    x = 14,924.06

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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.