Home / 27,305.10-37,692.66-18,357.79

Finding the Fourth Proportional to 27,305.10, 37,692.66 and 18,357.79

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Solution

The fourth proportional to 27,305.10, 37,692.66 and 18,357.79 is: 25,341.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,305.10 : 37,692.66 = 18,357.79 : x
  2. Step 2: Convert to fraction form
    27,305.10/37,692.66 = 18,357.79/x
  3. Step 3: Cross multiply
    27,305.10x = 37,692.66 × 18,357.79
  4. Step 4: Simplify right side
    27,305.10x = 691,953,878.84
  5. Step 5: Solve for x
    x = 691,953,878.84/27,305.10
  6. Step 6: Final answer
    x = 25,341.56

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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.