Home / 14,644.08-20,197.08-13,261.68

Finding the Fourth Proportional to 14,644.08, 20,197.08 and 13,261.68

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Solution

The fourth proportional to 14,644.08, 20,197.08 and 13,261.68 is: 18,290.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.08 : 20,197.08 = 13,261.68 : x
  2. Step 2: Convert to fraction form
    14,644.08/20,197.08 = 13,261.68/x
  3. Step 3: Cross multiply
    14,644.08x = 20,197.08 × 13,261.68
  4. Step 4: Simplify right side
    14,644.08x = 267,847,211.89
  5. Step 5: Solve for x
    x = 267,847,211.89/14,644.08
  6. Step 6: Final answer
    x = 18,290.48

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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.