Home / 29,364.88-40,523.56-15,936.14

Finding the Fourth Proportional to 29,364.88, 40,523.56 and 15,936.14

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Solution

The fourth proportional to 29,364.88, 40,523.56 and 15,936.14 is: 21,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,364.88 : 40,523.56 = 15,936.14 : x
  2. Step 2: Convert to fraction form
    29,364.88/40,523.56 = 15,936.14/x
  3. Step 3: Cross multiply
    29,364.88x = 40,523.56 × 15,936.14
  4. Step 4: Simplify right side
    29,364.88x = 645,789,018.74
  5. Step 5: Solve for x
    x = 645,789,018.74/29,364.88
  6. Step 6: Final answer
    x = 21,991.88

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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.