Home / 26,889.12-37,107.90-14,790.12

Finding the Fourth Proportional to 26,889.12, 37,107.90 and 14,790.12

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Solution

The fourth proportional to 26,889.12, 37,107.90 and 14,790.12 is: 20,410.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,889.12 : 37,107.90 = 14,790.12 : x
  2. Step 2: Convert to fraction form
    26,889.12/37,107.90 = 14,790.12/x
  3. Step 3: Cross multiply
    26,889.12x = 37,107.90 × 14,790.12
  4. Step 4: Simplify right side
    26,889.12x = 548,830,217.56
  5. Step 5: Solve for x
    x = 548,830,217.56/26,889.12
  6. Step 6: Final answer
    x = 20,410.86

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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.