Home / 14,610.46-20,157.51-8,318.38

Finding the Fourth Proportional to 14,610.46, 20,157.51 and 8,318.38

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Solution

The fourth proportional to 14,610.46, 20,157.51 and 8,318.38 is: 11,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,610.46 : 20,157.51 = 8,318.38 : x
  2. Step 2: Convert to fraction form
    14,610.46/20,157.51 = 8,318.38/x
  3. Step 3: Cross multiply
    14,610.46x = 20,157.51 × 8,318.38
  4. Step 4: Simplify right side
    14,610.46x = 167,677,828.03
  5. Step 5: Solve for x
    x = 167,677,828.03/14,610.46
  6. Step 6: Final answer
    x = 11,476.56

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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.