Home / 30,136.56-41,589.45-18,197.51

Finding the Fourth Proportional to 30,136.56, 41,589.45 and 18,197.51

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Solution

The fourth proportional to 30,136.56, 41,589.45 and 18,197.51 is: 25,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,136.56 : 41,589.45 = 18,197.51 : x
  2. Step 2: Convert to fraction form
    30,136.56/41,589.45 = 18,197.51/x
  3. Step 3: Cross multiply
    30,136.56x = 41,589.45 × 18,197.51
  4. Step 4: Simplify right side
    30,136.56x = 756,824,458.26
  5. Step 5: Solve for x
    x = 756,824,458.26/30,136.56
  6. Step 6: Final answer
    x = 25,113.17

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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.