Home / 14,911.84-20,586.04-11,727.12

Finding the Fourth Proportional to 14,911.84, 20,586.04 and 11,727.12

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Solution

The fourth proportional to 14,911.84, 20,586.04 and 11,727.12 is: 16,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,911.84 : 20,586.04 = 11,727.12 : x
  2. Step 2: Convert to fraction form
    14,911.84/20,586.04 = 11,727.12/x
  3. Step 3: Cross multiply
    14,911.84x = 20,586.04 × 11,727.12
  4. Step 4: Simplify right side
    14,911.84x = 241,414,961.40
  5. Step 5: Solve for x
    x = 241,414,961.40/14,911.84
  6. Step 6: Final answer
    x = 16,189.48

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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.