Home / 17,430.93-26,131.82-8,077.65

Finding the Fourth Proportional to 17,430.93, 26,131.82 and 8,077.65

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Solution

The fourth proportional to 17,430.93, 26,131.82 and 8,077.65 is: 12,109.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.93 : 26,131.82 = 8,077.65 : x
  2. Step 2: Convert to fraction form
    17,430.93/26,131.82 = 8,077.65/x
  3. Step 3: Cross multiply
    17,430.93x = 26,131.82 × 8,077.65
  4. Step 4: Simplify right side
    17,430.93x = 211,083,682.05
  5. Step 5: Solve for x
    x = 211,083,682.05/17,430.93
  6. Step 6: Final answer
    x = 12,109.72

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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.