Home / 18,376.08-25,358.96-11,205.98

Finding the Fourth Proportional to 18,376.08, 25,358.96 and 11,205.98

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Solution

The fourth proportional to 18,376.08, 25,358.96 and 11,205.98 is: 15,464.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,376.08 : 25,358.96 = 11,205.98 : x
  2. Step 2: Convert to fraction form
    18,376.08/25,358.96 = 11,205.98/x
  3. Step 3: Cross multiply
    18,376.08x = 25,358.96 × 11,205.98
  4. Step 4: Simplify right side
    18,376.08x = 284,172,089.99
  5. Step 5: Solve for x
    x = 284,172,089.99/18,376.08
  6. Step 6: Final answer
    x = 15,464.24

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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.