Home / 13,732.72-18,951.24-7,445.08

Finding the Fourth Proportional to 13,732.72, 18,951.24 and 7,445.08

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Solution

The fourth proportional to 13,732.72, 18,951.24 and 7,445.08 is: 10,274.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,732.72 : 18,951.24 = 7,445.08 : x
  2. Step 2: Convert to fraction form
    13,732.72/18,951.24 = 7,445.08/x
  3. Step 3: Cross multiply
    13,732.72x = 18,951.24 × 7,445.08
  4. Step 4: Simplify right side
    13,732.72x = 141,093,497.90
  5. Step 5: Solve for x
    x = 141,093,497.90/13,732.72
  6. Step 6: Final answer
    x = 10,274.26

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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.