Home / 14,057.35-21,086.39-6,155.78

Finding the Fourth Proportional to 14,057.35, 21,086.39 and 6,155.78

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Solution

The fourth proportional to 14,057.35, 21,086.39 and 6,155.78 is: 9,233.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,057.35 : 21,086.39 = 6,155.78 : x
  2. Step 2: Convert to fraction form
    14,057.35/21,086.39 = 6,155.78/x
  3. Step 3: Cross multiply
    14,057.35x = 21,086.39 × 6,155.78
  4. Step 4: Simplify right side
    14,057.35x = 129,803,206.40
  5. Step 5: Solve for x
    x = 129,803,206.40/14,057.35
  6. Step 6: Final answer
    x = 9,233.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.