Home / 20,303.12-27,966.26-14,324.31

Finding the Fourth Proportional to 20,303.12, 27,966.26 and 14,324.31

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Solution

The fourth proportional to 20,303.12, 27,966.26 and 14,324.31 is: 19,730.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,303.12 : 27,966.26 = 14,324.31 : x
  2. Step 2: Convert to fraction form
    20,303.12/27,966.26 = 14,324.31/x
  3. Step 3: Cross multiply
    20,303.12x = 27,966.26 × 14,324.31
  4. Step 4: Simplify right side
    20,303.12x = 400,597,413.59
  5. Step 5: Solve for x
    x = 400,597,413.59/20,303.12
  6. Step 6: Final answer
    x = 19,730.83

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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.