Home / 14,127.20-21,191.68-4,768.48

Finding the Fourth Proportional to 14,127.20, 21,191.68 and 4,768.48

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Solution

The fourth proportional to 14,127.20, 21,191.68 and 4,768.48 is: 7,153.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,127.20 : 21,191.68 = 4,768.48 : x
  2. Step 2: Convert to fraction form
    14,127.20/21,191.68 = 4,768.48/x
  3. Step 3: Cross multiply
    14,127.20x = 21,191.68 × 4,768.48
  4. Step 4: Simplify right side
    14,127.20x = 101,052,102.25
  5. Step 5: Solve for x
    x = 101,052,102.25/14,127.20
  6. Step 6: Final answer
    x = 7,153.02

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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.