Home / 15,542.69-23,320.37-8,151.98

Finding the Fourth Proportional to 15,542.69, 23,320.37 and 8,151.98

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Solution

The fourth proportional to 15,542.69, 23,320.37 and 8,151.98 is: 12,231.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,542.69 : 23,320.37 = 8,151.98 : x
  2. Step 2: Convert to fraction form
    15,542.69/23,320.37 = 8,151.98/x
  3. Step 3: Cross multiply
    15,542.69x = 23,320.37 × 8,151.98
  4. Step 4: Simplify right side
    15,542.69x = 190,107,093.61
  5. Step 5: Solve for x
    x = 190,107,093.61/15,542.69
  6. Step 6: Final answer
    x = 12,231.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.