Home / 16,795.18-23,178.48-11,120.12

Finding the Fourth Proportional to 16,795.18, 23,178.48 and 11,120.12

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Solution

The fourth proportional to 16,795.18, 23,178.48 and 11,120.12 is: 15,346.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,795.18 : 23,178.48 = 11,120.12 : x
  2. Step 2: Convert to fraction form
    16,795.18/23,178.48 = 11,120.12/x
  3. Step 3: Cross multiply
    16,795.18x = 23,178.48 × 11,120.12
  4. Step 4: Simplify right side
    16,795.18x = 257,747,363.13
  5. Step 5: Solve for x
    x = 257,747,363.13/16,795.18
  6. Step 6: Final answer
    x = 15,346.51

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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.