Home / 18,448.75-25,459.28-10,996.75

Finding the Fourth Proportional to 18,448.75, 25,459.28 and 10,996.75

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Solution

The fourth proportional to 18,448.75, 25,459.28 and 10,996.75 is: 15,175.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,448.75 : 25,459.28 = 10,996.75 : x
  2. Step 2: Convert to fraction form
    18,448.75/25,459.28 = 10,996.75/x
  3. Step 3: Cross multiply
    18,448.75x = 25,459.28 × 10,996.75
  4. Step 4: Simplify right side
    18,448.75x = 279,969,282.36
  5. Step 5: Solve for x
    x = 279,969,282.36/18,448.75
  6. Step 6: Final answer
    x = 15,175.52

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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.