Home / 14,193.70-19,587.31-8,228.84

Finding the Fourth Proportional to 14,193.70, 19,587.31 and 8,228.84

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Solution

The fourth proportional to 14,193.70, 19,587.31 and 8,228.84 is: 11,355.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,193.70 : 19,587.31 = 8,228.84 : x
  2. Step 2: Convert to fraction form
    14,193.70/19,587.31 = 8,228.84/x
  3. Step 3: Cross multiply
    14,193.70x = 19,587.31 × 8,228.84
  4. Step 4: Simplify right side
    14,193.70x = 161,180,742.08
  5. Step 5: Solve for x
    x = 161,180,742.08/14,193.70
  6. Step 6: Final answer
    x = 11,355.79

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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.