Home / 42,634.92-63,943.42-11,470.44

Finding the Fourth Proportional to 42,634.92, 63,943.42 and 11,470.44

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Solution

The fourth proportional to 42,634.92, 63,943.42 and 11,470.44 is: 17,203.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,634.92 : 63,943.42 = 11,470.44 : x
  2. Step 2: Convert to fraction form
    42,634.92/63,943.42 = 11,470.44/x
  3. Step 3: Cross multiply
    42,634.92x = 63,943.42 × 11,470.44
  4. Step 4: Simplify right side
    42,634.92x = 733,459,162.50
  5. Step 5: Solve for x
    x = 733,459,162.50/42,634.92
  6. Step 6: Final answer
    x = 17,203.25

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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.