Home / 16,845.90-25,269.45-5,159.10

Finding the Fourth Proportional to 16,845.90, 25,269.45 and 5,159.10

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Solution

The fourth proportional to 16,845.90, 25,269.45 and 5,159.10 is: 7,738.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,845.90 : 25,269.45 = 5,159.10 : x
  2. Step 2: Convert to fraction form
    16,845.90/25,269.45 = 5,159.10/x
  3. Step 3: Cross multiply
    16,845.90x = 25,269.45 × 5,159.10
  4. Step 4: Simplify right side
    16,845.90x = 130,367,619.50
  5. Step 5: Solve for x
    x = 130,367,619.50/16,845.90
  6. Step 6: Final answer
    x = 7,738.83

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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.