Home / 27,942.34-38,576.37-18,523.66

Finding the Fourth Proportional to 27,942.34, 38,576.37 and 18,523.66

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Solution

The fourth proportional to 27,942.34, 38,576.37 and 18,523.66 is: 25,573.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,942.34 : 38,576.37 = 18,523.66 : x
  2. Step 2: Convert to fraction form
    27,942.34/38,576.37 = 18,523.66/x
  3. Step 3: Cross multiply
    27,942.34x = 38,576.37 × 18,523.66
  4. Step 4: Simplify right side
    27,942.34x = 714,575,561.91
  5. Step 5: Solve for x
    x = 714,575,561.91/27,942.34
  6. Step 6: Final answer
    x = 25,573.22

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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.