Home / 18,570.28-25,633.11-16,601.98

Finding the Fourth Proportional to 18,570.28, 25,633.11 and 16,601.98

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Solution

The fourth proportional to 18,570.28, 25,633.11 and 16,601.98 is: 22,916.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,570.28 : 25,633.11 = 16,601.98 : x
  2. Step 2: Convert to fraction form
    18,570.28/25,633.11 = 16,601.98/x
  3. Step 3: Cross multiply
    18,570.28x = 25,633.11 × 16,601.98
  4. Step 4: Simplify right side
    18,570.28x = 425,560,379.56
  5. Step 5: Solve for x
    x = 425,560,379.56/18,570.28
  6. Step 6: Final answer
    x = 22,916.21

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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.