Home / 14,515.72-20,037.82-9,806.38

Finding the Fourth Proportional to 14,515.72, 20,037.82 and 9,806.38

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Solution

The fourth proportional to 14,515.72, 20,037.82 and 9,806.38 is: 13,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,515.72 : 20,037.82 = 9,806.38 : x
  2. Step 2: Convert to fraction form
    14,515.72/20,037.82 = 9,806.38/x
  3. Step 3: Cross multiply
    14,515.72x = 20,037.82 × 9,806.38
  4. Step 4: Simplify right side
    14,515.72x = 196,498,477.29
  5. Step 5: Solve for x
    x = 196,498,477.29/14,515.72
  6. Step 6: Final answer
    x = 13,536.94

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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.