Home / 14,108.09-21,154.62-4,745.00

Finding the Fourth Proportional to 14,108.09, 21,154.62 and 4,745.00

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Solution

The fourth proportional to 14,108.09, 21,154.62 and 4,745.00 is: 7,114.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,108.09 : 21,154.62 = 4,745.00 : x
  2. Step 2: Convert to fraction form
    14,108.09/21,154.62 = 4,745.00/x
  3. Step 3: Cross multiply
    14,108.09x = 21,154.62 × 4,745.00
  4. Step 4: Simplify right side
    14,108.09x = 100,378,596.89
  5. Step 5: Solve for x
    x = 100,378,596.89/14,108.09
  6. Step 6: Final answer
    x = 7,114.97

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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.