Home / 14,540.43-20,072.79-9,758.58

Finding the Fourth Proportional to 14,540.43, 20,072.79 and 9,758.58

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Solution

The fourth proportional to 14,540.43, 20,072.79 and 9,758.58 is: 13,471.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,540.43 : 20,072.79 = 9,758.58 : x
  2. Step 2: Convert to fraction form
    14,540.43/20,072.79 = 9,758.58/x
  3. Step 3: Cross multiply
    14,540.43x = 20,072.79 × 9,758.58
  4. Step 4: Simplify right side
    14,540.43x = 195,881,927.04
  5. Step 5: Solve for x
    x = 195,881,927.04/14,540.43
  6. Step 6: Final answer
    x = 13,471.54

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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.