Home / 15,924.96-21,955.78-10,249.56

Finding the Fourth Proportional to 15,924.96, 21,955.78 and 10,249.56

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Solution

The fourth proportional to 15,924.96, 21,955.78 and 10,249.56 is: 14,131.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,924.96 : 21,955.78 = 10,249.56 : x
  2. Step 2: Convert to fraction form
    15,924.96/21,955.78 = 10,249.56/x
  3. Step 3: Cross multiply
    15,924.96x = 21,955.78 × 10,249.56
  4. Step 4: Simplify right side
    15,924.96x = 225,037,084.46
  5. Step 5: Solve for x
    x = 225,037,084.46/15,924.96
  6. Step 6: Final answer
    x = 14,131.09

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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.