Home / 13,358.69-20,037.48-3,497.75

Finding the Fourth Proportional to 13,358.69, 20,037.48 and 3,497.75

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Solution

The fourth proportional to 13,358.69, 20,037.48 and 3,497.75 is: 5,246.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,358.69 : 20,037.48 = 3,497.75 : x
  2. Step 2: Convert to fraction form
    13,358.69/20,037.48 = 3,497.75/x
  3. Step 3: Cross multiply
    13,358.69x = 20,037.48 × 3,497.75
  4. Step 4: Simplify right side
    13,358.69x = 70,086,057.51
  5. Step 5: Solve for x
    x = 70,086,057.51/13,358.69
  6. Step 6: Final answer
    x = 5,246.48

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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.