Home / 18,172.51-25,148.96-17,735.47

Finding the Fourth Proportional to 18,172.51, 25,148.96 and 17,735.47

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Solution

The fourth proportional to 18,172.51, 25,148.96 and 17,735.47 is: 24,544.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,172.51 : 25,148.96 = 17,735.47 : x
  2. Step 2: Convert to fraction form
    18,172.51/25,148.96 = 17,735.47/x
  3. Step 3: Cross multiply
    18,172.51x = 25,148.96 × 17,735.47
  4. Step 4: Simplify right side
    18,172.51x = 446,028,625.61
  5. Step 5: Solve for x
    x = 446,028,625.61/18,172.51
  6. Step 6: Final answer
    x = 24,544.14

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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.