Home / 14,084.11-19,429.50-8,112.32

Finding the Fourth Proportional to 14,084.11, 19,429.50 and 8,112.32

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Solution

The fourth proportional to 14,084.11, 19,429.50 and 8,112.32 is: 11,191.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.11 : 19,429.50 = 8,112.32 : x
  2. Step 2: Convert to fraction form
    14,084.11/19,429.50 = 8,112.32/x
  3. Step 3: Cross multiply
    14,084.11x = 19,429.50 × 8,112.32
  4. Step 4: Simplify right side
    14,084.11x = 157,618,327.57
  5. Step 5: Solve for x
    x = 157,618,327.57/14,084.11
  6. Step 6: Final answer
    x = 11,191.22

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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.