Home / 15,740.48-23,614.79-5,879.85

Finding the Fourth Proportional to 15,740.48, 23,614.79 and 5,879.85

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Solution

The fourth proportional to 15,740.48, 23,614.79 and 5,879.85 is: 8,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,740.48 : 23,614.79 = 5,879.85 : x
  2. Step 2: Convert to fraction form
    15,740.48/23,614.79 = 5,879.85/x
  3. Step 3: Cross multiply
    15,740.48x = 23,614.79 × 5,879.85
  4. Step 4: Simplify right side
    15,740.48x = 138,851,422.98
  5. Step 5: Solve for x
    x = 138,851,422.98/15,740.48
  6. Step 6: Final answer
    x = 8,821.30

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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.