Home / 19,062.20-28,610.70-9,708.68

Finding the Fourth Proportional to 19,062.20, 28,610.70 and 9,708.68

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Solution

The fourth proportional to 19,062.20, 28,610.70 and 9,708.68 is: 14,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,062.20 : 28,610.70 = 9,708.68 : x
  2. Step 2: Convert to fraction form
    19,062.20/28,610.70 = 9,708.68/x
  3. Step 3: Cross multiply
    19,062.20x = 28,610.70 × 9,708.68
  4. Step 4: Simplify right side
    19,062.20x = 277,772,130.88
  5. Step 5: Solve for x
    x = 277,772,130.88/19,062.20
  6. Step 6: Final answer
    x = 14,571.88

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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.