Home / 13,692.41-18,862.76-13,025.37

Finding the Fourth Proportional to 13,692.41, 18,862.76 and 13,025.37

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Solution

The fourth proportional to 13,692.41, 18,862.76 and 13,025.37 is: 17,943.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,692.41 : 18,862.76 = 13,025.37 : x
  2. Step 2: Convert to fraction form
    13,692.41/18,862.76 = 13,025.37/x
  3. Step 3: Cross multiply
    13,692.41x = 18,862.76 × 13,025.37
  4. Step 4: Simplify right side
    13,692.41x = 245,694,363.09
  5. Step 5: Solve for x
    x = 245,694,363.09/13,692.41
  6. Step 6: Final answer
    x = 17,943.84

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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.