Home / 13,632.84-20,450.88-4,868.64

Finding the Fourth Proportional to 13,632.84, 20,450.88 and 4,868.64

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Solution

The fourth proportional to 13,632.84, 20,450.88 and 4,868.64 is: 7,303.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.84 : 20,450.88 = 4,868.64 : x
  2. Step 2: Convert to fraction form
    13,632.84/20,450.88 = 4,868.64/x
  3. Step 3: Cross multiply
    13,632.84x = 20,450.88 × 4,868.64
  4. Step 4: Simplify right side
    13,632.84x = 99,567,972.40
  5. Step 5: Solve for x
    x = 99,567,972.40/13,632.84
  6. Step 6: Final answer
    x = 7,303.54

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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.