Home / 14,868.15-20,506.29-13,168.44

Finding the Fourth Proportional to 14,868.15, 20,506.29 and 13,168.44

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Solution

The fourth proportional to 14,868.15, 20,506.29 and 13,168.44 is: 18,162.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,868.15 : 20,506.29 = 13,168.44 : x
  2. Step 2: Convert to fraction form
    14,868.15/20,506.29 = 13,168.44/x
  3. Step 3: Cross multiply
    14,868.15x = 20,506.29 × 13,168.44
  4. Step 4: Simplify right side
    14,868.15x = 270,035,849.49
  5. Step 5: Solve for x
    x = 270,035,849.49/14,868.15
  6. Step 6: Final answer
    x = 18,162.03

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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.