Home / 13,798.58-20,701.32-4,439.42

Finding the Fourth Proportional to 13,798.58, 20,701.32 and 4,439.42

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Solution

The fourth proportional to 13,798.58, 20,701.32 and 4,439.42 is: 6,660.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,798.58 : 20,701.32 = 4,439.42 : x
  2. Step 2: Convert to fraction form
    13,798.58/20,701.32 = 4,439.42/x
  3. Step 3: Cross multiply
    13,798.58x = 20,701.32 × 4,439.42
  4. Step 4: Simplify right side
    13,798.58x = 91,901,854.03
  5. Step 5: Solve for x
    x = 91,901,854.03/13,798.58
  6. Step 6: Final answer
    x = 6,660.24

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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.