Home / 14,676.47-20,253.32-7,961.92

Finding the Fourth Proportional to 14,676.47, 20,253.32 and 7,961.92

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Solution

The fourth proportional to 14,676.47, 20,253.32 and 7,961.92 is: 10,987.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,676.47 : 20,253.32 = 7,961.92 : x
  2. Step 2: Convert to fraction form
    14,676.47/20,253.32 = 7,961.92/x
  3. Step 3: Cross multiply
    14,676.47x = 20,253.32 × 7,961.92
  4. Step 4: Simplify right side
    14,676.47x = 161,255,313.57
  5. Step 5: Solve for x
    x = 161,255,313.57/14,676.47
  6. Step 6: Final answer
    x = 10,987.34

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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.