Home / 26,890.12-37,109.28-14,791.12

Finding the Fourth Proportional to 26,890.12, 37,109.28 and 14,791.12

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Solution

The fourth proportional to 26,890.12, 37,109.28 and 14,791.12 is: 20,412.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.12 : 37,109.28 = 14,791.12 : x
  2. Step 2: Convert to fraction form
    26,890.12/37,109.28 = 14,791.12/x
  3. Step 3: Cross multiply
    26,890.12x = 37,109.28 × 14,791.12
  4. Step 4: Simplify right side
    26,890.12x = 548,887,813.59
  5. Step 5: Solve for x
    x = 548,887,813.59/26,890.12
  6. Step 6: Final answer
    x = 20,412.25

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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.