Home / 14,989.74-20,692.92-13,568.19

Finding the Fourth Proportional to 14,989.74, 20,692.92 and 13,568.19

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Solution

The fourth proportional to 14,989.74, 20,692.92 and 13,568.19 is: 18,730.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,989.74 : 20,692.92 = 13,568.19 : x
  2. Step 2: Convert to fraction form
    14,989.74/20,692.92 = 13,568.19/x
  3. Step 3: Cross multiply
    14,989.74x = 20,692.92 × 13,568.19
  4. Step 4: Simplify right side
    14,989.74x = 280,765,470.21
  5. Step 5: Solve for x
    x = 280,765,470.21/14,989.74
  6. Step 6: Final answer
    x = 18,730.51

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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.