Home / 16,386.80-22,593.62-12,131.87

Finding the Fourth Proportional to 16,386.80, 22,593.62 and 12,131.87

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Solution

The fourth proportional to 16,386.80, 22,593.62 and 12,131.87 is: 16,727.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386.80 : 22,593.62 = 12,131.87 : x
  2. Step 2: Convert to fraction form
    16,386.80/22,593.62 = 12,131.87/x
  3. Step 3: Cross multiply
    16,386.80x = 22,593.62 × 12,131.87
  4. Step 4: Simplify right side
    16,386.80x = 274,102,800.01
  5. Step 5: Solve for x
    x = 274,102,800.01/16,386.80
  6. Step 6: Final answer
    x = 16,727.05

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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.