Home / 14,671.24-20,246.20-7,956.72

Finding the Fourth Proportional to 14,671.24, 20,246.20 and 7,956.72

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Solution

The fourth proportional to 14,671.24, 20,246.20 and 7,956.72 is: 10,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,671.24 : 20,246.20 = 7,956.72 : x
  2. Step 2: Convert to fraction form
    14,671.24/20,246.20 = 7,956.72/x
  3. Step 3: Cross multiply
    14,671.24x = 20,246.20 × 7,956.72
  4. Step 4: Simplify right side
    14,671.24x = 161,093,344.46
  5. Step 5: Solve for x
    x = 161,093,344.46/14,671.24
  6. Step 6: Final answer
    x = 10,980.21

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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.