Home / 14,612.67-20,164.42-8,238.93

Finding the Fourth Proportional to 14,612.67, 20,164.42 and 8,238.93

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Solution

The fourth proportional to 14,612.67, 20,164.42 and 8,238.93 is: 11,369.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,612.67 : 20,164.42 = 8,238.93 : x
  2. Step 2: Convert to fraction form
    14,612.67/20,164.42 = 8,238.93/x
  3. Step 3: Cross multiply
    14,612.67x = 20,164.42 × 8,238.93
  4. Step 4: Simplify right side
    14,612.67x = 166,133,269.81
  5. Step 5: Solve for x
    x = 166,133,269.81/14,612.67
  6. Step 6: Final answer
    x = 11,369.12

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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.