Home / 14,633.28-20,193.66-8,345.16

Finding the Fourth Proportional to 14,633.28, 20,193.66 and 8,345.16

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Solution

The fourth proportional to 14,633.28, 20,193.66 and 8,345.16 is: 11,516.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,633.28 : 20,193.66 = 8,345.16 : x
  2. Step 2: Convert to fraction form
    14,633.28/20,193.66 = 8,345.16/x
  3. Step 3: Cross multiply
    14,633.28x = 20,193.66 × 8,345.16
  4. Step 4: Simplify right side
    14,633.28x = 168,519,323.69
  5. Step 5: Solve for x
    x = 168,519,323.69/14,633.28
  6. Step 6: Final answer
    x = 11,516.17

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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.