Home / 20,042.51-27,639.74-14,949.26

Finding the Fourth Proportional to 20,042.51, 27,639.74 and 14,949.26

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Solution

The fourth proportional to 20,042.51, 27,639.74 and 14,949.26 is: 20,615.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,042.51 : 27,639.74 = 14,949.26 : x
  2. Step 2: Convert to fraction form
    20,042.51/27,639.74 = 14,949.26/x
  3. Step 3: Cross multiply
    20,042.51x = 27,639.74 × 14,949.26
  4. Step 4: Simplify right side
    20,042.51x = 413,193,659.59
  5. Step 5: Solve for x
    x = 413,193,659.59/20,042.51
  6. Step 6: Final answer
    x = 20,615.86

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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.