Home / 20,698.74-28,562.83-11,746.42

Finding the Fourth Proportional to 20,698.74, 28,562.83 and 11,746.42

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Solution

The fourth proportional to 20,698.74, 28,562.83 and 11,746.42 is: 16,209.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,698.74 : 28,562.83 = 11,746.42 : x
  2. Step 2: Convert to fraction form
    20,698.74/28,562.83 = 11,746.42/x
  3. Step 3: Cross multiply
    20,698.74x = 28,562.83 × 11,746.42
  4. Step 4: Simplify right side
    20,698.74x = 335,510,896.80
  5. Step 5: Solve for x
    x = 335,510,896.80/20,698.74
  6. Step 6: Final answer
    x = 16,209.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.