Home / 16,770.77-23,153.81-11,110.34

Finding the Fourth Proportional to 16,770.77, 23,153.81 and 11,110.34

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Solution

The fourth proportional to 16,770.77, 23,153.81 and 11,110.34 is: 15,338.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,770.77 : 23,153.81 = 11,110.34 : x
  2. Step 2: Convert to fraction form
    16,770.77/23,153.81 = 11,110.34/x
  3. Step 3: Cross multiply
    16,770.77x = 23,153.81 × 11,110.34
  4. Step 4: Simplify right side
    16,770.77x = 257,246,645.84
  5. Step 5: Solve for x
    x = 257,246,645.84/16,770.77
  6. Step 6: Final answer
    x = 15,338.99

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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.