Home / 19,009.56-28,527.30-8,628.60

Finding the Fourth Proportional to 19,009.56, 28,527.30 and 8,628.60

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Solution

The fourth proportional to 19,009.56, 28,527.30 and 8,628.60 is: 12,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,009.56 : 28,527.30 = 8,628.60 : x
  2. Step 2: Convert to fraction form
    19,009.56/28,527.30 = 8,628.60/x
  3. Step 3: Cross multiply
    19,009.56x = 28,527.30 × 8,628.60
  4. Step 4: Simplify right side
    19,009.56x = 246,150,660.78
  5. Step 5: Solve for x
    x = 246,150,660.78/19,009.56
  6. Step 6: Final answer
    x = 12,948.78

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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.