Home / 13,632.07-20,449.13-7,059.45

Finding the Fourth Proportional to 13,632.07, 20,449.13 and 7,059.45

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Solution

The fourth proportional to 13,632.07, 20,449.13 and 7,059.45 is: 10,589.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,632.07 : 20,449.13 = 7,059.45 : x
  2. Step 2: Convert to fraction form
    13,632.07/20,449.13 = 7,059.45/x
  3. Step 3: Cross multiply
    13,632.07x = 20,449.13 × 7,059.45
  4. Step 4: Simplify right side
    13,632.07x = 144,359,711.73
  5. Step 5: Solve for x
    x = 144,359,711.73/13,632.07
  6. Step 6: Final answer
    x = 10,589.71

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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.