Home / 15,742.24-23,628-7,956.52

Finding the Fourth Proportional to 15,742.24, 23,628 and 7,956.52

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Solution

The fourth proportional to 15,742.24, 23,628 and 7,956.52 is: 11,942.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742.24 : 23,628 = 7,956.52 : x
  2. Step 2: Convert to fraction form
    15,742.24/23,628 = 7,956.52/x
  3. Step 3: Cross multiply
    15,742.24x = 23,628 × 7,956.52
  4. Step 4: Simplify right side
    15,742.24x = 187,996,654.56
  5. Step 5: Solve for x
    x = 187,996,654.56/15,742.24
  6. Step 6: Final answer
    x = 11,942.18

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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.