Home / 16,765.46-23,127.66-11,388.17

Finding the Fourth Proportional to 16,765.46, 23,127.66 and 11,388.17

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Solution

The fourth proportional to 16,765.46, 23,127.66 and 11,388.17 is: 15,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,765.46 : 23,127.66 = 11,388.17 : x
  2. Step 2: Convert to fraction form
    16,765.46/23,127.66 = 11,388.17/x
  3. Step 3: Cross multiply
    16,765.46x = 23,127.66 × 11,388.17
  4. Step 4: Simplify right side
    16,765.46x = 263,381,666.84
  5. Step 5: Solve for x
    x = 263,381,666.84/16,765.46
  6. Step 6: Final answer
    x = 15,709.78

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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.