Home / 13,729.34-20,597.43-6,338.94

Finding the Fourth Proportional to 13,729.34, 20,597.43 and 6,338.94

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Solution

The fourth proportional to 13,729.34, 20,597.43 and 6,338.94 is: 9,509.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,729.34 : 20,597.43 = 6,338.94 : x
  2. Step 2: Convert to fraction form
    13,729.34/20,597.43 = 6,338.94/x
  3. Step 3: Cross multiply
    13,729.34x = 20,597.43 × 6,338.94
  4. Step 4: Simplify right side
    13,729.34x = 130,565,872.92
  5. Step 5: Solve for x
    x = 130,565,872.92/13,729.34
  6. Step 6: Final answer
    x = 9,509.99

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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.