Home / 16,186.80-22,339.56-10,218.16

Finding the Fourth Proportional to 16,186.80, 22,339.56 and 10,218.16

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Solution

The fourth proportional to 16,186.80, 22,339.56 and 10,218.16 is: 14,102.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,186.80 : 22,339.56 = 10,218.16 : x
  2. Step 2: Convert to fraction form
    16,186.80/22,339.56 = 10,218.16/x
  3. Step 3: Cross multiply
    16,186.80x = 22,339.56 × 10,218.16
  4. Step 4: Simplify right side
    16,186.80x = 228,269,198.41
  5. Step 5: Solve for x
    x = 228,269,198.41/16,186.80
  6. Step 6: Final answer
    x = 14,102.18

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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.