Home / 15,811.23-23,709.78-4,714.94

Finding the Fourth Proportional to 15,811.23, 23,709.78 and 4,714.94

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Solution

The fourth proportional to 15,811.23, 23,709.78 and 4,714.94 is: 7,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.23 : 23,709.78 = 4,714.94 : x
  2. Step 2: Convert to fraction form
    15,811.23/23,709.78 = 4,714.94/x
  3. Step 3: Cross multiply
    15,811.23x = 23,709.78 × 4,714.94
  4. Step 4: Simplify right side
    15,811.23x = 111,790,071.56
  5. Step 5: Solve for x
    x = 111,790,071.56/15,811.23
  6. Step 6: Final answer
    x = 7,070.30

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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.