Home / 14,861.06-20,508.15-8,146.97

Finding the Fourth Proportional to 14,861.06, 20,508.15 and 8,146.97

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Solution

The fourth proportional to 14,861.06, 20,508.15 and 8,146.97 is: 11,242.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,861.06 : 20,508.15 = 8,146.97 : x
  2. Step 2: Convert to fraction form
    14,861.06/20,508.15 = 8,146.97/x
  3. Step 3: Cross multiply
    14,861.06x = 20,508.15 × 8,146.97
  4. Step 4: Simplify right side
    14,861.06x = 167,079,282.81
  5. Step 5: Solve for x
    x = 167,079,282.81/14,861.06
  6. Step 6: Final answer
    x = 11,242.76

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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.