Home / 14,276.95-19,704.26-8,311.92

Finding the Fourth Proportional to 14,276.95, 19,704.26 and 8,311.92

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Solution

The fourth proportional to 14,276.95, 19,704.26 and 8,311.92 is: 11,471.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,276.95 : 19,704.26 = 8,311.92 : x
  2. Step 2: Convert to fraction form
    14,276.95/19,704.26 = 8,311.92/x
  3. Step 3: Cross multiply
    14,276.95x = 19,704.26 × 8,311.92
  4. Step 4: Simplify right side
    14,276.95x = 163,780,232.78
  5. Step 5: Solve for x
    x = 163,780,232.78/14,276.95
  6. Step 6: Final answer
    x = 11,471.65

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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.