Home / 16,897.26-23,324.76-15,125.79

Finding the Fourth Proportional to 16,897.26, 23,324.76 and 15,125.79

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Solution

The fourth proportional to 16,897.26, 23,324.76 and 15,125.79 is: 20,879.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,897.26 : 23,324.76 = 15,125.79 : x
  2. Step 2: Convert to fraction form
    16,897.26/23,324.76 = 15,125.79/x
  3. Step 3: Cross multiply
    16,897.26x = 23,324.76 × 15,125.79
  4. Step 4: Simplify right side
    16,897.26x = 352,805,421.56
  5. Step 5: Solve for x
    x = 352,805,421.56/16,897.26
  6. Step 6: Final answer
    x = 20,879.45

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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.