Home / 22,930.66-31,634.58-13,976.92

Finding the Fourth Proportional to 22,930.66, 31,634.58 and 13,976.92

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Solution

The fourth proportional to 22,930.66, 31,634.58 and 13,976.92 is: 19,282.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,930.66 : 31,634.58 = 13,976.92 : x
  2. Step 2: Convert to fraction form
    22,930.66/31,634.58 = 13,976.92/x
  3. Step 3: Cross multiply
    22,930.66x = 31,634.58 × 13,976.92
  4. Step 4: Simplify right side
    22,930.66x = 442,153,993.89
  5. Step 5: Solve for x
    x = 442,153,993.89/22,930.66
  6. Step 6: Final answer
    x = 19,282.22

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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.