Home / 27,124.21-37,432.11-15,190.09

Finding the Fourth Proportional to 27,124.21, 37,432.11 and 15,190.09

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Solution

The fourth proportional to 27,124.21, 37,432.11 and 15,190.09 is: 20,962.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,124.21 : 37,432.11 = 15,190.09 : x
  2. Step 2: Convert to fraction form
    27,124.21/37,432.11 = 15,190.09/x
  3. Step 3: Cross multiply
    27,124.21x = 37,432.11 × 15,190.09
  4. Step 4: Simplify right side
    27,124.21x = 568,597,119.79
  5. Step 5: Solve for x
    x = 568,597,119.79/27,124.21
  6. Step 6: Final answer
    x = 20,962.72

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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.