Home / 18,369.11-25,355.10-10,814.84

Finding the Fourth Proportional to 18,369.11, 25,355.10 and 10,814.84

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Solution

The fourth proportional to 18,369.11, 25,355.10 and 10,814.84 is: 14,927.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,369.11 : 25,355.10 = 10,814.84 : x
  2. Step 2: Convert to fraction form
    18,369.11/25,355.10 = 10,814.84/x
  3. Step 3: Cross multiply
    18,369.11x = 25,355.10 × 10,814.84
  4. Step 4: Simplify right side
    18,369.11x = 274,211,349.68
  5. Step 5: Solve for x
    x = 274,211,349.68/18,369.11
  6. Step 6: Final answer
    x = 14,927.85

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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.