Home / 14,768.40-20,380.54-8,053.96

Finding the Fourth Proportional to 14,768.40, 20,380.54 and 8,053.96

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Solution

The fourth proportional to 14,768.40, 20,380.54 and 8,053.96 is: 11,114.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,768.40 : 20,380.54 = 8,053.96 : x
  2. Step 2: Convert to fraction form
    14,768.40/20,380.54 = 8,053.96/x
  3. Step 3: Cross multiply
    14,768.40x = 20,380.54 × 8,053.96
  4. Step 4: Simplify right side
    14,768.40x = 164,144,053.94
  5. Step 5: Solve for x
    x = 164,144,053.94/14,768.40
  6. Step 6: Final answer
    x = 11,114.55

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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.