Home / 14,750.94-20,361.52-13,176.30

Finding the Fourth Proportional to 14,750.94, 20,361.52 and 13,176.30

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Solution

The fourth proportional to 14,750.94, 20,361.52 and 13,176.30 is: 18,187.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,750.94 : 20,361.52 = 13,176.30 : x
  2. Step 2: Convert to fraction form
    14,750.94/20,361.52 = 13,176.30/x
  3. Step 3: Cross multiply
    14,750.94x = 20,361.52 × 13,176.30
  4. Step 4: Simplify right side
    14,750.94x = 268,289,495.98
  5. Step 5: Solve for x
    x = 268,289,495.98/14,750.94
  6. Step 6: Final answer
    x = 18,187.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.