Home / 13,632.56-20,435.16-8,707.76

Finding the Fourth Proportional to 13,632.56, 20,435.16 and 8,707.76

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Solution

The fourth proportional to 13,632.56, 20,435.16 and 8,707.76 is: 13,052.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.56 : 20,435.16 = 8,707.76 : x
  2. Step 2: Convert to fraction form
    13,632.56/20,435.16 = 8,707.76/x
  3. Step 3: Cross multiply
    13,632.56x = 20,435.16 × 8,707.76
  4. Step 4: Simplify right side
    13,632.56x = 177,944,468.84
  5. Step 5: Solve for x
    x = 177,944,468.84/13,632.56
  6. Step 6: Final answer
    x = 13,052.90

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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.