Home / 22,001.31-30,366.77-18,458.37

Finding the Fourth Proportional to 22,001.31, 30,366.77 and 18,458.37

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Solution

The fourth proportional to 22,001.31, 30,366.77 and 18,458.37 is: 25,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,001.31 : 30,366.77 = 18,458.37 : x
  2. Step 2: Convert to fraction form
    22,001.31/30,366.77 = 18,458.37/x
  3. Step 3: Cross multiply
    22,001.31x = 30,366.77 × 18,458.37
  4. Step 4: Simplify right side
    22,001.31x = 560,520,984.07
  5. Step 5: Solve for x
    x = 560,520,984.07/22,001.31
  6. Step 6: Final answer
    x = 25,476.71

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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.