Home / 18,636.93-25,692.57-13,322.52

Finding the Fourth Proportional to 18,636.93, 25,692.57 and 13,322.52

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Solution

The fourth proportional to 18,636.93, 25,692.57 and 13,322.52 is: 18,366.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,636.93 : 25,692.57 = 13,322.52 : x
  2. Step 2: Convert to fraction form
    18,636.93/25,692.57 = 13,322.52/x
  3. Step 3: Cross multiply
    18,636.93x = 25,692.57 × 13,322.52
  4. Step 4: Simplify right side
    18,636.93x = 342,289,777.68
  5. Step 5: Solve for x
    x = 342,289,777.68/18,636.93
  6. Step 6: Final answer
    x = 18,366.21

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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.