Home / 22,858.27-31,555.92-21,637.33

Finding the Fourth Proportional to 22,858.27, 31,555.92 and 21,637.33

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Solution

The fourth proportional to 22,858.27, 31,555.92 and 21,637.33 is: 29,870.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,858.27 : 31,555.92 = 21,637.33 : x
  2. Step 2: Convert to fraction form
    22,858.27/31,555.92 = 21,637.33/x
  3. Step 3: Cross multiply
    22,858.27x = 31,555.92 × 21,637.33
  4. Step 4: Simplify right side
    22,858.27x = 682,785,854.49
  5. Step 5: Solve for x
    x = 682,785,854.49/22,858.27
  6. Step 6: Final answer
    x = 29,870.41

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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.