Home / 16,087.76-22,203.96-10,783.28

Finding the Fourth Proportional to 16,087.76, 22,203.96 and 10,783.28

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Solution

The fourth proportional to 16,087.76, 22,203.96 and 10,783.28 is: 14,882.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,087.76 : 22,203.96 = 10,783.28 : x
  2. Step 2: Convert to fraction form
    16,087.76/22,203.96 = 10,783.28/x
  3. Step 3: Cross multiply
    16,087.76x = 22,203.96 × 10,783.28
  4. Step 4: Simplify right side
    16,087.76x = 239,431,517.79
  5. Step 5: Solve for x
    x = 239,431,517.79/16,087.76
  6. Step 6: Final answer
    x = 14,882.84

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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.