Home / 19,563.18-29,274.64-16,939.74

Finding the Fourth Proportional to 19,563.18, 29,274.64 and 16,939.74

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Solution

The fourth proportional to 19,563.18, 29,274.64 and 16,939.74 is: 25,348.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,563.18 : 29,274.64 = 16,939.74 : x
  2. Step 2: Convert to fraction form
    19,563.18/29,274.64 = 16,939.74/x
  3. Step 3: Cross multiply
    19,563.18x = 29,274.64 × 16,939.74
  4. Step 4: Simplify right side
    19,563.18x = 495,904,790.19
  5. Step 5: Solve for x
    x = 495,904,790.19/19,563.18
  6. Step 6: Final answer
    x = 25,348.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.