Home / 14,047.12-19,369.32-11,486.92

Finding the Fourth Proportional to 14,047.12, 19,369.32 and 11,486.92

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Solution

The fourth proportional to 14,047.12, 19,369.32 and 11,486.92 is: 15,839.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.12 : 19,369.32 = 11,486.92 : x
  2. Step 2: Convert to fraction form
    14,047.12/19,369.32 = 11,486.92/x
  3. Step 3: Cross multiply
    14,047.12x = 19,369.32 × 11,486.92
  4. Step 4: Simplify right side
    14,047.12x = 222,493,829.29
  5. Step 5: Solve for x
    x = 222,493,829.29/14,047.12
  6. Step 6: Final answer
    x = 15,839.11

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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.