Home / 27,156.96-37,473.30-15,217.74

Finding the Fourth Proportional to 27,156.96, 37,473.30 and 15,217.74

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Solution

The fourth proportional to 27,156.96, 37,473.30 and 15,217.74 is: 20,998.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,156.96 : 37,473.30 = 15,217.74 : x
  2. Step 2: Convert to fraction form
    27,156.96/37,473.30 = 15,217.74/x
  3. Step 3: Cross multiply
    27,156.96x = 37,473.30 × 15,217.74
  4. Step 4: Simplify right side
    27,156.96x = 570,258,936.34
  5. Step 5: Solve for x
    x = 570,258,936.34/27,156.96
  6. Step 6: Final answer
    x = 20,998.63

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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.