Home / 18,529.16-25,636.70-16,178.14

Finding the Fourth Proportional to 18,529.16, 25,636.70 and 16,178.14

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Solution

The fourth proportional to 18,529.16, 25,636.70 and 16,178.14 is: 22,383.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,529.16 : 25,636.70 = 16,178.14 : x
  2. Step 2: Convert to fraction form
    18,529.16/25,636.70 = 16,178.14/x
  3. Step 3: Cross multiply
    18,529.16x = 25,636.70 × 16,178.14
  4. Step 4: Simplify right side
    18,529.16x = 414,753,976.76
  5. Step 5: Solve for x
    x = 414,753,976.76/18,529.16
  6. Step 6: Final answer
    x = 22,383.85

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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.