Home / 42,694.57-63,998.10-17,749.09

Finding the Fourth Proportional to 42,694.57, 63,998.10 and 17,749.09

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Solution

The fourth proportional to 42,694.57, 63,998.10 and 17,749.09 is: 26,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,694.57 : 63,998.10 = 17,749.09 : x
  2. Step 2: Convert to fraction form
    42,694.57/63,998.10 = 17,749.09/x
  3. Step 3: Cross multiply
    42,694.57x = 63,998.10 × 17,749.09
  4. Step 4: Simplify right side
    42,694.57x = 1,135,908,036.73
  5. Step 5: Solve for x
    x = 1,135,908,036.73/42,694.57
  6. Step 6: Final answer
    x = 26,605.45

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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.