Home / 18,461.16-27,692.19-6,615.75

Finding the Fourth Proportional to 18,461.16, 27,692.19 and 6,615.75

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Solution

The fourth proportional to 18,461.16, 27,692.19 and 6,615.75 is: 9,923.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,461.16 : 27,692.19 = 6,615.75 : x
  2. Step 2: Convert to fraction form
    18,461.16/27,692.19 = 6,615.75/x
  3. Step 3: Cross multiply
    18,461.16x = 27,692.19 × 6,615.75
  4. Step 4: Simplify right side
    18,461.16x = 183,204,605.99
  5. Step 5: Solve for x
    x = 183,204,605.99/18,461.16
  6. Step 6: Final answer
    x = 9,923.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.