Home / 13,760.88-20,632.68-9,075.84

Finding the Fourth Proportional to 13,760.88, 20,632.68 and 9,075.84

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Solution

The fourth proportional to 13,760.88, 20,632.68 and 9,075.84 is: 13,608.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,760.88 : 20,632.68 = 9,075.84 : x
  2. Step 2: Convert to fraction form
    13,760.88/20,632.68 = 9,075.84/x
  3. Step 3: Cross multiply
    13,760.88x = 20,632.68 × 9,075.84
  4. Step 4: Simplify right side
    13,760.88x = 187,258,902.45
  5. Step 5: Solve for x
    x = 187,258,902.45/13,760.88
  6. Step 6: Final answer
    x = 13,608.06

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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.