Home / 14,012.46-20,956.72-12,463.34

Finding the Fourth Proportional to 14,012.46, 20,956.72 and 12,463.34

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Solution

The fourth proportional to 14,012.46, 20,956.72 and 12,463.34 is: 18,639.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.46 : 20,956.72 = 12,463.34 : x
  2. Step 2: Convert to fraction form
    14,012.46/20,956.72 = 12,463.34/x
  3. Step 3: Cross multiply
    14,012.46x = 20,956.72 × 12,463.34
  4. Step 4: Simplify right side
    14,012.46x = 261,190,726.64
  5. Step 5: Solve for x
    x = 261,190,726.64/14,012.46
  6. Step 6: Final answer
    x = 18,639.89

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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.