Home / 18,965.68-26,174.44-10,900.51

Finding the Fourth Proportional to 18,965.68, 26,174.44 and 10,900.51

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Solution

The fourth proportional to 18,965.68, 26,174.44 and 10,900.51 is: 15,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,965.68 : 26,174.44 = 10,900.51 : x
  2. Step 2: Convert to fraction form
    18,965.68/26,174.44 = 10,900.51/x
  3. Step 3: Cross multiply
    18,965.68x = 26,174.44 × 10,900.51
  4. Step 4: Simplify right side
    18,965.68x = 285,314,693.15
  5. Step 5: Solve for x
    x = 285,314,693.15/18,965.68
  6. Step 6: Final answer
    x = 15,043.74

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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.