Home / 16,195.36-22,203.92-15,900.16

Finding the Fourth Proportional to 16,195.36, 22,203.92 and 15,900.16

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Solution

The fourth proportional to 16,195.36, 22,203.92 and 15,900.16 is: 21,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,195.36 : 22,203.92 = 15,900.16 : x
  2. Step 2: Convert to fraction form
    16,195.36/22,203.92 = 15,900.16/x
  3. Step 3: Cross multiply
    16,195.36x = 22,203.92 × 15,900.16
  4. Step 4: Simplify right side
    16,195.36x = 353,045,880.63
  5. Step 5: Solve for x
    x = 353,045,880.63/16,195.36
  6. Step 6: Final answer
    x = 21,799.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.