Home / 17,850.78-26,776.47-4,702.65

Finding the Fourth Proportional to 17,850.78, 26,776.47 and 4,702.65

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Solution

The fourth proportional to 17,850.78, 26,776.47 and 4,702.65 is: 7,054.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,850.78 : 26,776.47 = 4,702.65 : x
  2. Step 2: Convert to fraction form
    17,850.78/26,776.47 = 4,702.65/x
  3. Step 3: Cross multiply
    17,850.78x = 26,776.47 × 4,702.65
  4. Step 4: Simplify right side
    17,850.78x = 125,920,366.65
  5. Step 5: Solve for x
    x = 125,920,366.65/17,850.78
  6. Step 6: Final answer
    x = 7,054.05

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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.