Home / 13,472.12-20,209.28-4,706.84

Finding the Fourth Proportional to 13,472.12, 20,209.28 and 4,706.84

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Solution

The fourth proportional to 13,472.12, 20,209.28 and 4,706.84 is: 7,060.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,472.12 : 20,209.28 = 4,706.84 : x
  2. Step 2: Convert to fraction form
    13,472.12/20,209.28 = 4,706.84/x
  3. Step 3: Cross multiply
    13,472.12x = 20,209.28 × 4,706.84
  4. Step 4: Simplify right side
    13,472.12x = 95,121,847.48
  5. Step 5: Solve for x
    x = 95,121,847.48/13,472.12
  6. Step 6: Final answer
    x = 7,060.64

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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.