Home / 18,954.51-26,156.97-10,571.01

Finding the Fourth Proportional to 18,954.51, 26,156.97 and 10,571.01

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Solution

The fourth proportional to 18,954.51, 26,156.97 and 10,571.01 is: 14,587.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.51 : 26,156.97 = 10,571.01 : x
  2. Step 2: Convert to fraction form
    18,954.51/26,156.97 = 10,571.01/x
  3. Step 3: Cross multiply
    18,954.51x = 26,156.97 × 10,571.01
  4. Step 4: Simplify right side
    18,954.51x = 276,505,591.44
  5. Step 5: Solve for x
    x = 276,505,591.44/18,954.51
  6. Step 6: Final answer
    x = 14,587.85

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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.