Home / 13,435.99-18,492.72-11,832.14

Finding the Fourth Proportional to 13,435.99, 18,492.72 and 11,832.14

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Solution

The fourth proportional to 13,435.99, 18,492.72 and 11,832.14 is: 16,285.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.99 : 18,492.72 = 11,832.14 : x
  2. Step 2: Convert to fraction form
    13,435.99/18,492.72 = 11,832.14/x
  3. Step 3: Cross multiply
    13,435.99x = 18,492.72 × 11,832.14
  4. Step 4: Simplify right side
    13,435.99x = 218,808,359.56
  5. Step 5: Solve for x
    x = 218,808,359.56/13,435.99
  6. Step 6: Final answer
    x = 16,285.25

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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.