Home / 24,378.78-33,658.34-19,913.25

Finding the Fourth Proportional to 24,378.78, 33,658.34 and 19,913.25

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Solution

The fourth proportional to 24,378.78, 33,658.34 and 19,913.25 is: 27,493.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,378.78 : 33,658.34 = 19,913.25 : x
  2. Step 2: Convert to fraction form
    24,378.78/33,658.34 = 19,913.25/x
  3. Step 3: Cross multiply
    24,378.78x = 33,658.34 × 19,913.25
  4. Step 4: Simplify right side
    24,378.78x = 670,246,939.01
  5. Step 5: Solve for x
    x = 670,246,939.01/24,378.78
  6. Step 6: Final answer
    x = 27,493.05

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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.