Home / 14,540.32-20,066.24-11,391.04

Finding the Fourth Proportional to 14,540.32, 20,066.24 and 11,391.04

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Solution

The fourth proportional to 14,540.32, 20,066.24 and 11,391.04 is: 15,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.32 : 20,066.24 = 11,391.04 : x
  2. Step 2: Convert to fraction form
    14,540.32/20,066.24 = 11,391.04/x
  3. Step 3: Cross multiply
    14,540.32x = 20,066.24 × 11,391.04
  4. Step 4: Simplify right side
    14,540.32x = 228,575,342.49
  5. Step 5: Solve for x
    x = 228,575,342.49/14,540.32
  6. Step 6: Final answer
    x = 15,720.10

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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.