Home / 20,473.09-28,237.73-14,101.70

Finding the Fourth Proportional to 20,473.09, 28,237.73 and 14,101.70

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Solution

The fourth proportional to 20,473.09, 28,237.73 and 14,101.70 is: 19,449.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473.09 : 28,237.73 = 14,101.70 : x
  2. Step 2: Convert to fraction form
    20,473.09/28,237.73 = 14,101.70/x
  3. Step 3: Cross multiply
    20,473.09x = 28,237.73 × 14,101.70
  4. Step 4: Simplify right side
    20,473.09x = 398,199,785.44
  5. Step 5: Solve for x
    x = 398,199,785.44/20,473.09
  6. Step 6: Final answer
    x = 19,449.91

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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.