Home / 14,084.87-19,431.43-8,113.35

Finding the Fourth Proportional to 14,084.87, 19,431.43 and 8,113.35

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Solution

The fourth proportional to 14,084.87, 19,431.43 and 8,113.35 is: 11,193.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,084.87 : 19,431.43 = 8,113.35 : x
  2. Step 2: Convert to fraction form
    14,084.87/19,431.43 = 8,113.35/x
  3. Step 3: Cross multiply
    14,084.87x = 19,431.43 × 8,113.35
  4. Step 4: Simplify right side
    14,084.87x = 157,653,992.59
  5. Step 5: Solve for x
    x = 157,653,992.59/14,084.87
  6. Step 6: Final answer
    x = 11,193.15

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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.