Home / 13,672.64-20,499.24-6,548.72

Finding the Fourth Proportional to 13,672.64, 20,499.24 and 6,548.72

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Solution

The fourth proportional to 13,672.64, 20,499.24 and 6,548.72 is: 9,818.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,672.64 : 20,499.24 = 6,548.72 : x
  2. Step 2: Convert to fraction form
    13,672.64/20,499.24 = 6,548.72/x
  3. Step 3: Cross multiply
    13,672.64x = 20,499.24 × 6,548.72
  4. Step 4: Simplify right side
    13,672.64x = 134,243,782.97
  5. Step 5: Solve for x
    x = 134,243,782.97/13,672.64
  6. Step 6: Final answer
    x = 9,818.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.