Home / 18,571.28-25,634.49-16,602.98

Finding the Fourth Proportional to 18,571.28, 25,634.49 and 16,602.98

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Solution

The fourth proportional to 18,571.28, 25,634.49 and 16,602.98 is: 22,917.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,571.28 : 25,634.49 = 16,602.98 : x
  2. Step 2: Convert to fraction form
    18,571.28/25,634.49 = 16,602.98/x
  3. Step 3: Cross multiply
    18,571.28x = 25,634.49 × 16,602.98
  4. Step 4: Simplify right side
    18,571.28x = 425,608,924.78
  5. Step 5: Solve for x
    x = 425,608,924.78/18,571.28
  6. Step 6: Final answer
    x = 22,917.59

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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.