Home / 20,154.33-27,829.76-16,814.65

Finding the Fourth Proportional to 20,154.33, 27,829.76 and 16,814.65

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Solution

The fourth proportional to 20,154.33, 27,829.76 and 16,814.65 is: 23,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,154.33 : 27,829.76 = 16,814.65 : x
  2. Step 2: Convert to fraction form
    20,154.33/27,829.76 = 16,814.65/x
  3. Step 3: Cross multiply
    20,154.33x = 27,829.76 × 16,814.65
  4. Step 4: Simplify right side
    20,154.33x = 467,947,673.98
  5. Step 5: Solve for x
    x = 467,947,673.98/20,154.33
  6. Step 6: Final answer
    x = 23,218.22

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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.