Home / 13,313.80-19,975.41-5,917.59

Finding the Fourth Proportional to 13,313.80, 19,975.41 and 5,917.59

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Solution

The fourth proportional to 13,313.80, 19,975.41 and 5,917.59 is: 8,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.80 : 19,975.41 = 5,917.59 : x
  2. Step 2: Convert to fraction form
    13,313.80/19,975.41 = 5,917.59/x
  3. Step 3: Cross multiply
    13,313.80x = 19,975.41 × 5,917.59
  4. Step 4: Simplify right side
    13,313.80x = 118,206,286.46
  5. Step 5: Solve for x
    x = 118,206,286.46/13,313.80
  6. Step 6: Final answer
    x = 8,878.48

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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.