Home / 29,193.76-40,289.34-16,618.60

Finding the Fourth Proportional to 29,193.76, 40,289.34 and 16,618.60

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Solution

The fourth proportional to 29,193.76, 40,289.34 and 16,618.60 is: 22,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,193.76 : 40,289.34 = 16,618.60 : x
  2. Step 2: Convert to fraction form
    29,193.76/40,289.34 = 16,618.60/x
  3. Step 3: Cross multiply
    29,193.76x = 40,289.34 × 16,618.60
  4. Step 4: Simplify right side
    29,193.76x = 669,552,425.72
  5. Step 5: Solve for x
    x = 669,552,425.72/29,193.76
  6. Step 6: Final answer
    x = 22,934.78

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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.