Home / 26,790.63-36,972.09-20,064.39

Finding the Fourth Proportional to 26,790.63, 36,972.09 and 20,064.39

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Solution

The fourth proportional to 26,790.63, 36,972.09 and 20,064.39 is: 27,689.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,790.63 : 36,972.09 = 20,064.39 : x
  2. Step 2: Convert to fraction form
    26,790.63/36,972.09 = 20,064.39/x
  3. Step 3: Cross multiply
    26,790.63x = 36,972.09 × 20,064.39
  4. Step 4: Simplify right side
    26,790.63x = 741,822,432.88
  5. Step 5: Solve for x
    x = 741,822,432.88/26,790.63
  6. Step 6: Final answer
    x = 27,689.62

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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.