Home / 19,722.58-29,576.56-5,677.86

Finding the Fourth Proportional to 19,722.58, 29,576.56 and 5,677.86

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Solution

The fourth proportional to 19,722.58, 29,576.56 and 5,677.86 is: 8,514.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.58 : 29,576.56 = 5,677.86 : x
  2. Step 2: Convert to fraction form
    19,722.58/29,576.56 = 5,677.86/x
  3. Step 3: Cross multiply
    19,722.58x = 29,576.56 × 5,677.86
  4. Step 4: Simplify right side
    19,722.58x = 167,931,566.96
  5. Step 5: Solve for x
    x = 167,931,566.96/19,722.58
  6. Step 6: Final answer
    x = 8,514.69

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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.