Home / 15,859.12-23,789.26-5,329.48

Finding the Fourth Proportional to 15,859.12, 23,789.26 and 5,329.48

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Solution

The fourth proportional to 15,859.12, 23,789.26 and 5,329.48 is: 7,994.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.12 : 23,789.26 = 5,329.48 : x
  2. Step 2: Convert to fraction form
    15,859.12/23,789.26 = 5,329.48/x
  3. Step 3: Cross multiply
    15,859.12x = 23,789.26 × 5,329.48
  4. Step 4: Simplify right side
    15,859.12x = 126,784,385.38
  5. Step 5: Solve for x
    x = 126,784,385.38/15,859.12
  6. Step 6: Final answer
    x = 7,994.41

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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.