Home / 29,817.84-41,143.20-18,490.08

Finding the Fourth Proportional to 29,817.84, 41,143.20 and 18,490.08

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Solution

The fourth proportional to 29,817.84, 41,143.20 and 18,490.08 is: 25,512.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,817.84 : 41,143.20 = 18,490.08 : x
  2. Step 2: Convert to fraction form
    29,817.84/41,143.20 = 18,490.08/x
  3. Step 3: Cross multiply
    29,817.84x = 41,143.20 × 18,490.08
  4. Step 4: Simplify right side
    29,817.84x = 760,741,059.46
  5. Step 5: Solve for x
    x = 760,741,059.46/29,817.84
  6. Step 6: Final answer
    x = 25,512.95

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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.