Home / 14,125.88-21,176.62-5,367.08

Finding the Fourth Proportional to 14,125.88, 21,176.62 and 5,367.08

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Solution

The fourth proportional to 14,125.88, 21,176.62 and 5,367.08 is: 8,045.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,125.88 : 21,176.62 = 5,367.08 : x
  2. Step 2: Convert to fraction form
    14,125.88/21,176.62 = 5,367.08/x
  3. Step 3: Cross multiply
    14,125.88x = 21,176.62 × 5,367.08
  4. Step 4: Simplify right side
    14,125.88x = 113,656,613.67
  5. Step 5: Solve for x
    x = 113,656,613.67/14,125.88
  6. Step 6: Final answer
    x = 8,045.98

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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.