Home / 29,188.82-40,263.14-18,414.66

Finding the Fourth Proportional to 29,188.82, 40,263.14 and 18,414.66

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Solution

The fourth proportional to 29,188.82, 40,263.14 and 18,414.66 is: 25,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.82 : 40,263.14 = 18,414.66 : x
  2. Step 2: Convert to fraction form
    29,188.82/40,263.14 = 18,414.66/x
  3. Step 3: Cross multiply
    29,188.82x = 40,263.14 × 18,414.66
  4. Step 4: Simplify right side
    29,188.82x = 741,432,033.63
  5. Step 5: Solve for x
    x = 741,432,033.63/29,188.82
  6. Step 6: Final answer
    x = 25,401.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.