Home / 19,540.55-29,262.21-13,669.67

Finding the Fourth Proportional to 19,540.55, 29,262.21 and 13,669.67

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Solution

The fourth proportional to 19,540.55, 29,262.21 and 13,669.67 is: 20,470.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,540.55 : 29,262.21 = 13,669.67 : x
  2. Step 2: Convert to fraction form
    19,540.55/29,262.21 = 13,669.67/x
  3. Step 3: Cross multiply
    19,540.55x = 29,262.21 × 13,669.67
  4. Step 4: Simplify right side
    19,540.55x = 400,004,754.17
  5. Step 5: Solve for x
    x = 400,004,754.17/19,540.55
  6. Step 6: Final answer
    x = 20,470.50

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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.