Home / 16,754.90-25,128.20-5,661.35

Finding the Fourth Proportional to 16,754.90, 25,128.20 and 5,661.35

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Solution

The fourth proportional to 16,754.90, 25,128.20 and 5,661.35 is: 8,490.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,754.90 : 25,128.20 = 5,661.35 : x
  2. Step 2: Convert to fraction form
    16,754.90/25,128.20 = 5,661.35/x
  3. Step 3: Cross multiply
    16,754.90x = 25,128.20 × 5,661.35
  4. Step 4: Simplify right side
    16,754.90x = 142,259,423.58
  5. Step 5: Solve for x
    x = 142,259,423.58/16,754.90
  6. Step 6: Final answer
    x = 8,490.61

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1.5x scale

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.