Home / 27,310.53-37,692.12-15,376.20

Finding the Fourth Proportional to 27,310.53, 37,692.12 and 15,376.20

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Solution

The fourth proportional to 27,310.53, 37,692.12 and 15,376.20 is: 21,221.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.53 : 37,692.12 = 15,376.20 : x
  2. Step 2: Convert to fraction form
    27,310.53/37,692.12 = 15,376.20/x
  3. Step 3: Cross multiply
    27,310.53x = 37,692.12 × 15,376.20
  4. Step 4: Simplify right side
    27,310.53x = 579,561,575.54
  5. Step 5: Solve for x
    x = 579,561,575.54/27,310.53
  6. Step 6: Final answer
    x = 21,221.18

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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.