Home / 17,855.28-26,649.99-15,472.72

Finding the Fourth Proportional to 17,855.28, 26,649.99 and 15,472.72

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Solution

The fourth proportional to 17,855.28, 26,649.99 and 15,472.72 is: 23,093.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,855.28 : 26,649.99 = 15,472.72 : x
  2. Step 2: Convert to fraction form
    17,855.28/26,649.99 = 15,472.72/x
  3. Step 3: Cross multiply
    17,855.28x = 26,649.99 × 15,472.72
  4. Step 4: Simplify right side
    17,855.28x = 412,347,833.27
  5. Step 5: Solve for x
    x = 412,347,833.27/17,855.28
  6. Step 6: Final answer
    x = 23,093.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.