Home / 15,859.54-23,789.67-4,173.13

Finding the Fourth Proportional to 15,859.54, 23,789.67 and 4,173.13

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Solution

The fourth proportional to 15,859.54, 23,789.67 and 4,173.13 is: 6,259.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,859.54 : 23,789.67 = 4,173.13 : x
  2. Step 2: Convert to fraction form
    15,859.54/23,789.67 = 4,173.13/x
  3. Step 3: Cross multiply
    15,859.54x = 23,789.67 × 4,173.13
  4. Step 4: Simplify right side
    15,859.54x = 99,277,385.57
  5. Step 5: Solve for x
    x = 99,277,385.57/15,859.54
  6. Step 6: Final answer
    x = 6,259.79

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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.