Home / 14,087.87-19,435.57-8,116.35

Finding the Fourth Proportional to 14,087.87, 19,435.57 and 8,116.35

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Solution

The fourth proportional to 14,087.87, 19,435.57 and 8,116.35 is: 11,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,087.87 : 19,435.57 = 8,116.35 : x
  2. Step 2: Convert to fraction form
    14,087.87/19,435.57 = 8,116.35/x
  3. Step 3: Cross multiply
    14,087.87x = 19,435.57 × 8,116.35
  4. Step 4: Simplify right side
    14,087.87x = 157,745,888.57
  5. Step 5: Solve for x
    x = 157,745,888.57/14,087.87
  6. Step 6: Final answer
    x = 11,197.28

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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.