Home / 14,241.93-21,339.46-4,876.78

Finding the Fourth Proportional to 14,241.93, 21,339.46 and 4,876.78

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Solution

The fourth proportional to 14,241.93, 21,339.46 and 4,876.78 is: 7,307.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,241.93 : 21,339.46 = 4,876.78 : x
  2. Step 2: Convert to fraction form
    14,241.93/21,339.46 = 4,876.78/x
  3. Step 3: Cross multiply
    14,241.93x = 21,339.46 × 4,876.78
  4. Step 4: Simplify right side
    14,241.93x = 104,067,911.37
  5. Step 5: Solve for x
    x = 104,067,911.37/14,241.93
  6. Step 6: Final answer
    x = 7,307.15

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1.5x scale

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.