Home / 19,778.72-27,293.57-10,824.49

Finding the Fourth Proportional to 19,778.72, 27,293.57 and 10,824.49

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Solution

The fourth proportional to 19,778.72, 27,293.57 and 10,824.49 is: 14,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,778.72 : 27,293.57 = 10,824.49 : x
  2. Step 2: Convert to fraction form
    19,778.72/27,293.57 = 10,824.49/x
  3. Step 3: Cross multiply
    19,778.72x = 27,293.57 × 10,824.49
  4. Step 4: Simplify right side
    19,778.72x = 295,438,784.94
  5. Step 5: Solve for x
    x = 295,438,784.94/19,778.72
  6. Step 6: Final answer
    x = 14,937.21

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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.