Home / 13,706.16-20,557.68-3,846.24

Finding the Fourth Proportional to 13,706.16, 20,557.68 and 3,846.24

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Solution

The fourth proportional to 13,706.16, 20,557.68 and 3,846.24 is: 5,768.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,706.16 : 20,557.68 = 3,846.24 : x
  2. Step 2: Convert to fraction form
    13,706.16/20,557.68 = 3,846.24/x
  3. Step 3: Cross multiply
    13,706.16x = 20,557.68 × 3,846.24
  4. Step 4: Simplify right side
    13,706.16x = 79,069,771.12
  5. Step 5: Solve for x
    x = 79,069,771.12/13,706.16
  6. Step 6: Final answer
    x = 5,768.92

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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.