Home / 14,253.35-19,669.65-7,965.72

Finding the Fourth Proportional to 14,253.35, 19,669.65 and 7,965.72

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Solution

The fourth proportional to 14,253.35, 19,669.65 and 7,965.72 is: 10,992.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,253.35 : 19,669.65 = 7,965.72 : x
  2. Step 2: Convert to fraction form
    14,253.35/19,669.65 = 7,965.72/x
  3. Step 3: Cross multiply
    14,253.35x = 19,669.65 × 7,965.72
  4. Step 4: Simplify right side
    14,253.35x = 156,682,924.40
  5. Step 5: Solve for x
    x = 156,682,924.40/14,253.35
  6. Step 6: Final answer
    x = 10,992.71

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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.