Home / 22,348.14-30,815.21-16,287.69

Finding the Fourth Proportional to 22,348.14, 30,815.21 and 16,287.69

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Solution

The fourth proportional to 22,348.14, 30,815.21 and 16,287.69 is: 22,458.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,348.14 : 30,815.21 = 16,287.69 : x
  2. Step 2: Convert to fraction form
    22,348.14/30,815.21 = 16,287.69/x
  3. Step 3: Cross multiply
    22,348.14x = 30,815.21 × 16,287.69
  4. Step 4: Simplify right side
    22,348.14x = 501,908,506.33
  5. Step 5: Solve for x
    x = 501,908,506.33/22,348.14
  6. Step 6: Final answer
    x = 22,458.63

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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.