Home / 17,790.63-26,688.83-5,475.75

Finding the Fourth Proportional to 17,790.63, 26,688.83 and 5,475.75

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Solution

The fourth proportional to 17,790.63, 26,688.83 and 5,475.75 is: 8,214.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,790.63 : 26,688.83 = 5,475.75 : x
  2. Step 2: Convert to fraction form
    17,790.63/26,688.83 = 5,475.75/x
  3. Step 3: Cross multiply
    17,790.63x = 26,688.83 × 5,475.75
  4. Step 4: Simplify right side
    17,790.63x = 146,141,333.49
  5. Step 5: Solve for x
    x = 146,141,333.49/17,790.63
  6. Step 6: Final answer
    x = 8,214.51

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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.