Home / 17,012.43-25,518.65-13,571.55

Finding the Fourth Proportional to 17,012.43, 25,518.65 and 13,571.55

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Solution

The fourth proportional to 17,012.43, 25,518.65 and 13,571.55 is: 20,357.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,012.43 : 25,518.65 = 13,571.55 : x
  2. Step 2: Convert to fraction form
    17,012.43/25,518.65 = 13,571.55/x
  3. Step 3: Cross multiply
    17,012.43x = 25,518.65 × 13,571.55
  4. Step 4: Simplify right side
    17,012.43x = 346,327,566.55
  5. Step 5: Solve for x
    x = 346,327,566.55/17,012.43
  6. Step 6: Final answer
    x = 20,357.33

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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.