Home / 14,101.14-21,150.09-4,740.78

Finding the Fourth Proportional to 14,101.14, 21,150.09 and 4,740.78

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Solution

The fourth proportional to 14,101.14, 21,150.09 and 4,740.78 is: 7,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,101.14 : 21,150.09 = 4,740.78 : x
  2. Step 2: Convert to fraction form
    14,101.14/21,150.09 = 4,740.78/x
  3. Step 3: Cross multiply
    14,101.14x = 21,150.09 × 4,740.78
  4. Step 4: Simplify right side
    14,101.14x = 100,267,923.67
  5. Step 5: Solve for x
    x = 100,267,923.67/14,101.14
  6. Step 6: Final answer
    x = 7,110.63

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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.