Home / 14,236.14-19,644.85-7,861.71

Finding the Fourth Proportional to 14,236.14, 19,644.85 and 7,861.71

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Solution

The fourth proportional to 14,236.14, 19,644.85 and 7,861.71 is: 10,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,236.14 : 19,644.85 = 7,861.71 : x
  2. Step 2: Convert to fraction form
    14,236.14/19,644.85 = 7,861.71/x
  3. Step 3: Cross multiply
    14,236.14x = 19,644.85 × 7,861.71
  4. Step 4: Simplify right side
    14,236.14x = 154,442,113.69
  5. Step 5: Solve for x
    x = 154,442,113.69/14,236.14
  6. Step 6: Final answer
    x = 10,848.59

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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.