Home / 14,504.64-20,034.72-12,612.48

Finding the Fourth Proportional to 14,504.64, 20,034.72 and 12,612.48

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Solution

The fourth proportional to 14,504.64, 20,034.72 and 12,612.48 is: 17,421.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,504.64 : 20,034.72 = 12,612.48 : x
  2. Step 2: Convert to fraction form
    14,504.64/20,034.72 = 12,612.48/x
  3. Step 3: Cross multiply
    14,504.64x = 20,034.72 × 12,612.48
  4. Step 4: Simplify right side
    14,504.64x = 252,687,505.31
  5. Step 5: Solve for x
    x = 252,687,505.31/14,504.64
  6. Step 6: Final answer
    x = 17,421.15

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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.