Home / 14,114.86-21,164.73-4,751.76

Finding the Fourth Proportional to 14,114.86, 21,164.73 and 4,751.76

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Solution

The fourth proportional to 14,114.86, 21,164.73 and 4,751.76 is: 7,125.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,114.86 : 21,164.73 = 4,751.76 : x
  2. Step 2: Convert to fraction form
    14,114.86/21,164.73 = 4,751.76/x
  3. Step 3: Cross multiply
    14,114.86x = 21,164.73 × 4,751.76
  4. Step 4: Simplify right side
    14,114.86x = 100,569,778.97
  5. Step 5: Solve for x
    x = 100,569,778.97/14,114.86
  6. Step 6: Final answer
    x = 7,125.10

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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.