Home / 13,453.65-18,567.68-8,148.33

Finding the Fourth Proportional to 13,453.65, 18,567.68 and 8,148.33

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Solution

The fourth proportional to 13,453.65, 18,567.68 and 8,148.33 is: 11,245.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453.65 : 18,567.68 = 8,148.33 : x
  2. Step 2: Convert to fraction form
    13,453.65/18,567.68 = 8,148.33/x
  3. Step 3: Cross multiply
    13,453.65x = 18,567.68 × 8,148.33
  4. Step 4: Simplify right side
    13,453.65x = 151,295,543.23
  5. Step 5: Solve for x
    x = 151,295,543.23/13,453.65
  6. Step 6: Final answer
    x = 11,245.69

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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.