Home / 13,074.30-18,028.44-10,553.58

Finding the Fourth Proportional to 13,074.30, 18,028.44 and 10,553.58

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Solution

The fourth proportional to 13,074.30, 18,028.44 and 10,553.58 is: 14,552.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,074.30 : 18,028.44 = 10,553.58 : x
  2. Step 2: Convert to fraction form
    13,074.30/18,028.44 = 10,553.58/x
  3. Step 3: Cross multiply
    13,074.30x = 18,028.44 × 10,553.58
  4. Step 4: Simplify right side
    13,074.30x = 190,264,583.82
  5. Step 5: Solve for x
    x = 190,264,583.82/13,074.30
  6. Step 6: Final answer
    x = 14,552.56

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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.