Home / 16,086.24-22,240.08-12,127.68

Finding the Fourth Proportional to 16,086.24, 22,240.08 and 12,127.68

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Solution

The fourth proportional to 16,086.24, 22,240.08 and 12,127.68 is: 16,767.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,086.24 : 22,240.08 = 12,127.68 : x
  2. Step 2: Convert to fraction form
    16,086.24/22,240.08 = 12,127.68/x
  3. Step 3: Cross multiply
    16,086.24x = 22,240.08 × 12,127.68
  4. Step 4: Simplify right side
    16,086.24x = 269,720,573.41
  5. Step 5: Solve for x
    x = 269,720,573.41/16,086.24
  6. Step 6: Final answer
    x = 16,767.16

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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.