Home / 27,472.20-37,912.32-15,534.96

Finding the Fourth Proportional to 27,472.20, 37,912.32 and 15,534.96

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Solution

The fourth proportional to 27,472.20, 37,912.32 and 15,534.96 is: 21,438.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,472.20 : 37,912.32 = 15,534.96 : x
  2. Step 2: Convert to fraction form
    27,472.20/37,912.32 = 15,534.96/x
  3. Step 3: Cross multiply
    27,472.20x = 37,912.32 × 15,534.96
  4. Step 4: Simplify right side
    27,472.20x = 588,966,374.71
  5. Step 5: Solve for x
    x = 588,966,374.71/27,472.20
  6. Step 6: Final answer
    x = 21,438.63

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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.