Home / 16,820.76-23,188.38-11,769.33

Finding the Fourth Proportional to 16,820.76, 23,188.38 and 11,769.33

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Solution

The fourth proportional to 16,820.76, 23,188.38 and 11,769.33 is: 16,224.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,820.76 : 23,188.38 = 11,769.33 : x
  2. Step 2: Convert to fraction form
    16,820.76/23,188.38 = 11,769.33/x
  3. Step 3: Cross multiply
    16,820.76x = 23,188.38 × 11,769.33
  4. Step 4: Simplify right side
    16,820.76x = 272,911,696.39
  5. Step 5: Solve for x
    x = 272,911,696.39/16,820.76
  6. Step 6: Final answer
    x = 16,224.69

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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.