Home / 19,305.38-26,649.24-16,336.64

Finding the Fourth Proportional to 19,305.38, 26,649.24 and 16,336.64

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Solution

The fourth proportional to 19,305.38, 26,649.24 and 16,336.64 is: 22,551.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.38 : 26,649.24 = 16,336.64 : x
  2. Step 2: Convert to fraction form
    19,305.38/26,649.24 = 16,336.64/x
  3. Step 3: Cross multiply
    19,305.38x = 26,649.24 × 16,336.64
  4. Step 4: Simplify right side
    19,305.38x = 435,359,040.15
  5. Step 5: Solve for x
    x = 435,359,040.15/19,305.38
  6. Step 6: Final answer
    x = 22,551.18

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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.