Home / 15,971.09-23,960.27-4,879.35

Finding the Fourth Proportional to 15,971.09, 23,960.27 and 4,879.35

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Solution

The fourth proportional to 15,971.09, 23,960.27 and 4,879.35 is: 7,320.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,971.09 : 23,960.27 = 4,879.35 : x
  2. Step 2: Convert to fraction form
    15,971.09/23,960.27 = 4,879.35/x
  3. Step 3: Cross multiply
    15,971.09x = 23,960.27 × 4,879.35
  4. Step 4: Simplify right side
    15,971.09x = 116,910,555.62
  5. Step 5: Solve for x
    x = 116,910,555.62/15,971.09
  6. Step 6: Final answer
    x = 7,320.14

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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.