Home / 26,890.15-37,109.31-14,791.15

Finding the Fourth Proportional to 26,890.15, 37,109.31 and 14,791.15

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Solution

The fourth proportional to 26,890.15, 37,109.31 and 14,791.15 is: 20,412.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.15 : 37,109.31 = 14,791.15 : x
  2. Step 2: Convert to fraction form
    26,890.15/37,109.31 = 14,791.15/x
  3. Step 3: Cross multiply
    26,890.15x = 37,109.31 × 14,791.15
  4. Step 4: Simplify right side
    26,890.15x = 548,889,370.61
  5. Step 5: Solve for x
    x = 548,889,370.61/26,890.15
  6. Step 6: Final answer
    x = 20,412.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.