Home / 18,464.58-27,715.32-9,717.92

Finding the Fourth Proportional to 18,464.58, 27,715.32 and 9,717.92

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Solution

The fourth proportional to 18,464.58, 27,715.32 and 9,717.92 is: 14,586.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.58 : 27,715.32 = 9,717.92 : x
  2. Step 2: Convert to fraction form
    18,464.58/27,715.32 = 9,717.92/x
  3. Step 3: Cross multiply
    18,464.58x = 27,715.32 × 9,717.92
  4. Step 4: Simplify right side
    18,464.58x = 269,335,262.53
  5. Step 5: Solve for x
    x = 269,335,262.53/18,464.58
  6. Step 6: Final answer
    x = 14,586.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.