Home / 43,226.30-64,839.45-11,636.43

Finding the Fourth Proportional to 43,226.30, 64,839.45 and 11,636.43

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Solution

The fourth proportional to 43,226.30, 64,839.45 and 11,636.43 is: 17,454.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,226.30 : 64,839.45 = 11,636.43 : x
  2. Step 2: Convert to fraction form
    43,226.30/64,839.45 = 11,636.43/x
  3. Step 3: Cross multiply
    43,226.30x = 64,839.45 × 11,636.43
  4. Step 4: Simplify right side
    43,226.30x = 754,499,721.16
  5. Step 5: Solve for x
    x = 754,499,721.16/43,226.30
  6. Step 6: Final answer
    x = 17,454.65

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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.