Home / 14,463.56-21,688.68-5,451.32

Finding the Fourth Proportional to 14,463.56, 21,688.68 and 5,451.32

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Solution

The fourth proportional to 14,463.56, 21,688.68 and 5,451.32 is: 8,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,463.56 : 21,688.68 = 5,451.32 : x
  2. Step 2: Convert to fraction form
    14,463.56/21,688.68 = 5,451.32/x
  3. Step 3: Cross multiply
    14,463.56x = 21,688.68 × 5,451.32
  4. Step 4: Simplify right side
    14,463.56x = 118,231,935.06
  5. Step 5: Solve for x
    x = 118,231,935.06/14,463.56
  6. Step 6: Final answer
    x = 8,174.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.