Home / 13,698.92-20,548.52-4,813.86

Finding the Fourth Proportional to 13,698.92, 20,548.52 and 4,813.86

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Solution

The fourth proportional to 13,698.92, 20,548.52 and 4,813.86 is: 7,220.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,698.92 : 20,548.52 = 4,813.86 : x
  2. Step 2: Convert to fraction form
    13,698.92/20,548.52 = 4,813.86/x
  3. Step 3: Cross multiply
    13,698.92x = 20,548.52 × 4,813.86
  4. Step 4: Simplify right side
    13,698.92x = 98,917,698.49
  5. Step 5: Solve for x
    x = 98,917,698.49/13,698.92
  6. Step 6: Final answer
    x = 7,220.84

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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.