Home / 17,905.80-26,858.57-4,759.10

Finding the Fourth Proportional to 17,905.80, 26,858.57 and 4,759.10

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Solution

The fourth proportional to 17,905.80, 26,858.57 and 4,759.10 is: 7,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,905.80 : 26,858.57 = 4,759.10 : x
  2. Step 2: Convert to fraction form
    17,905.80/26,858.57 = 4,759.10/x
  3. Step 3: Cross multiply
    17,905.80x = 26,858.57 × 4,759.10
  4. Step 4: Simplify right side
    17,905.80x = 127,822,462.40
  5. Step 5: Solve for x
    x = 127,822,462.40/17,905.80
  6. Step 6: Final answer
    x = 7,138.61

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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.