Home / 13,703.48-18,901.83-9,676.22

Finding the Fourth Proportional to 13,703.48, 18,901.83 and 9,676.22

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Solution

The fourth proportional to 13,703.48, 18,901.83 and 9,676.22 is: 13,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,703.48 : 18,901.83 = 9,676.22 : x
  2. Step 2: Convert to fraction form
    13,703.48/18,901.83 = 9,676.22/x
  3. Step 3: Cross multiply
    13,703.48x = 18,901.83 × 9,676.22
  4. Step 4: Simplify right side
    13,703.48x = 182,898,170.97
  5. Step 5: Solve for x
    x = 182,898,170.97/13,703.48
  6. Step 6: Final answer
    x = 13,346.85

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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.