Home / 22,764.58-31,403.41-15,208.49

Finding the Fourth Proportional to 22,764.58, 31,403.41 and 15,208.49

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Solution

The fourth proportional to 22,764.58, 31,403.41 and 15,208.49 is: 20,979.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,764.58 : 31,403.41 = 15,208.49 : x
  2. Step 2: Convert to fraction form
    22,764.58/31,403.41 = 15,208.49/x
  3. Step 3: Cross multiply
    22,764.58x = 31,403.41 × 15,208.49
  4. Step 4: Simplify right side
    22,764.58x = 477,598,487.44
  5. Step 5: Solve for x
    x = 477,598,487.44/22,764.58
  6. Step 6: Final answer
    x = 20,979.90

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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.