Home / 22,537.49-31,091.96-13,579.90

Finding the Fourth Proportional to 22,537.49, 31,091.96 and 13,579.90

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Solution

The fourth proportional to 22,537.49, 31,091.96 and 13,579.90 is: 18,734.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,537.49 : 31,091.96 = 13,579.90 : x
  2. Step 2: Convert to fraction form
    22,537.49/31,091.96 = 13,579.90/x
  3. Step 3: Cross multiply
    22,537.49x = 31,091.96 × 13,579.90
  4. Step 4: Simplify right side
    22,537.49x = 422,225,857.81
  5. Step 5: Solve for x
    x = 422,225,857.81/22,537.49
  6. Step 6: Final answer
    x = 18,734.38

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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.