Home / 18,559.92-27,802.80-11,160.33

Finding the Fourth Proportional to 18,559.92, 27,802.80 and 11,160.33

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Solution

The fourth proportional to 18,559.92, 27,802.80 and 11,160.33 is: 16,718.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,559.92 : 27,802.80 = 11,160.33 : x
  2. Step 2: Convert to fraction form
    18,559.92/27,802.80 = 11,160.33/x
  3. Step 3: Cross multiply
    18,559.92x = 27,802.80 × 11,160.33
  4. Step 4: Simplify right side
    18,559.92x = 310,288,367.12
  5. Step 5: Solve for x
    x = 310,288,367.12/18,559.92
  6. Step 6: Final answer
    x = 16,718.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.