Home / 13,738.66-20,591.10-6,332.84

Finding the Fourth Proportional to 13,738.66, 20,591.10 and 6,332.84

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Solution

The fourth proportional to 13,738.66, 20,591.10 and 6,332.84 is: 9,491.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,738.66 : 20,591.10 = 6,332.84 : x
  2. Step 2: Convert to fraction form
    13,738.66/20,591.10 = 6,332.84/x
  3. Step 3: Cross multiply
    13,738.66x = 20,591.10 × 6,332.84
  4. Step 4: Simplify right side
    13,738.66x = 130,400,141.72
  5. Step 5: Solve for x
    x = 130,400,141.72/13,738.66
  6. Step 6: Final answer
    x = 9,491.47

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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.