Home / 29,818.64-41,147.61-16,390.76

Finding the Fourth Proportional to 29,818.64, 41,147.61 and 16,390.76

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Solution

The fourth proportional to 29,818.64, 41,147.61 and 16,390.76 is: 22,618.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,818.64 : 41,147.61 = 16,390.76 : x
  2. Step 2: Convert to fraction form
    29,818.64/41,147.61 = 16,390.76/x
  3. Step 3: Cross multiply
    29,818.64x = 41,147.61 × 16,390.76
  4. Step 4: Simplify right side
    29,818.64x = 674,440,600.08
  5. Step 5: Solve for x
    x = 674,440,600.08/29,818.64
  6. Step 6: Final answer
    x = 22,618.09

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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.